iDevices Terminology and FAQ only
This thread will help to clarify some terms and words you may hear in reference to the iPhone. As these terms and words are often confused.
EDGE/3G
EDGE and 3G are two mobile data technologies that allow you to have an internet connection virtually anywhere on your iPhone. Make sure to have a data subscription or you will encounter high costs. The original iPhone (2G) supported EDGE/GPRS, a slower form of data transfer, while the iPhone 3G and 3GS both support the fast 3G standard.
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Accelerometer
The accelerometer is a tiny 3-axis device that monitors the iPhone’s position in its environment. It can tell which way the iPhone it is being held or rotated. Applications can be built to take advantage of this, such as Safari does when you turn your iPhone onto its side. A lot of games specially developed for the iPhone take advantage of the accelerometer as a method of controlling the character, such as Super Monkey Ball from the iPhone App Store.
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Activation
Activating your iPhone means giving it access to the Springboard by telling your telephone that you are using one of the iPhone's official telecommunication carriers. After having bought your iPhone or after restoring it to its original state, you will notice that you can only make emergency calls. You are blocked on a welcome screen with the iTunes logo and a drawing of a USB cable, and the default message "slide to unlock" has changed to "slide for emergency". This way one obliges you to connect to iTunes to make sure that you use an official carrier (LuxGsm or Vox in Luxembourg, Orange or SFR in France, Mobistar in Belgium, AT&T in the USA etc).
However, if your iPhone is blocked and if you wish to use it with a non-supported carrier or simply would like to use your iPhone without the telephone function (I wouldn't understand the interesting in doing this but one never knows), you have to make your iPhone believe that it has been activated through iTunes. This is what one calls hacktivation. Understand that a jailbreak is prerequisite for an hacktivation. Check out "Hacktivation" in our iPhone terminology for more information.
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App Store
The App Store is a service for the iPhone and iPod Touch created by Apple Inc. which allows users to browse and download applications from the iTunes Store that were developed with the iPhone SDK and published through Apple. The applications are available to purchase or free of charge, depending on the application. The applications are downloaded directly to iPhone or iPod Touch. The App Store is also available within iTunes. (See also: Cydia, Cydia Store, Installer App, Rock Your Phone, Icy and Kryptes)
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Augmented reality
Augmented Reality (AR) is a field of computer research which deals with
the combination of real-world and computer-generated data . It uses the camera on your iPhone to display real time digital information over top of what you see through the camera lens. In other words, on top of the camera screen that you are looking at is a layer of 3D content that can be completely interactive.
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Baseband
The baseband is a subsystem on the iPhone which manages all functions which require an antenna, like phone line communications etc. Modifying this subsystem is how unlocks are achieved. The baseband is separated from the OS and has it’s own processor and it’s own firmware. It’s firmware is called the baseband firmware. Baseband versions look like this: 4.01.13_G (1.1.1) 4.03.13_G (1.1.3). An iTunes restore will not modify the baseband of your iPhone unless your baseband is erased or downgraded prior to the restore.
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Bootloader
The bootloader is the first thing that is executed when the iPhone is powered on. There are two shipping bootloaders, 3.9 and 4.6. The bootloader can be downgraded using hacking methods. It is risky downgrading your bootloader because if something goes wrong, you cannot repair it. Bootloaders perform an integrity check on data and prevent unsigned, non-apple code from being loaded. They essentially police the iPhone's OS, making sure everything is the way Apple want it to be. PwnageTool, WinPwn and QuickPwn patch out integrity checks from the bootloaders, allowing unsigned code to be executed.
--------------------------------------------------------------------------------------------------------
Brick
To brick an iPhone means to make it permanently unusable, usually through software modifications. A common misconception is that jailbreaking an iPhone could brick it if something went wrong. This is not true. Thanks to the DFU mode and iTunes’ restore system, an iPhone that didn’t jailbreak correctly can easily be recovered and set to its original state.
--------------------------------------------------------------------------------------------------------
Cydia
Cydia is a software application developed by Jay "Saurik" Freeman for the iPhone OS. Repositories that are included with Cydia allow for installation of software packages in which most are available to download at no cost. The software packages are downloaded directly to an iPhone and are located in the /Applications directory, the same location where Apple's native applications are located. Cydia is installed via jailbreaking. It is included in Pwnage Tool exclusively for Mac users, redsn0w for Mac and Windows users or QuickPwn for Mac and Windows users running Pre OS 3.0 devices. Cydia applications can often function on a deeper level than Apple-approved applications, because they have the ability to access any part of the hardware or filesystem that they need. This allows for themes, file browsers and large-scale tweaks. (See also: Cydia Store, App Store, Installer App, Rock Your Phone, Icy and Kryptes)
--------------------------------------------------------------------------------------------------------
Cydia Store
In March 2009, Jay "Saurik" Freeman, the developer of Cydia, introduced a way to sell applications via Cydia, the Cydia Store (an AppStore, Rock Your Phone alternative), although the majority of applications on Cydia remain free. Users pay through PayPal, and the proof of payment is linked to a Google or Facebook account, in case users move to different physical iPhone devices. (See also: Cydia, App Store, Installer App, Rock Your Phone, Icy and Kryptes)
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DFU Mode
DFU Mode is a special mode in which the iPhone can still interact with iTunes, yet it does not load the iPhone OS or iBoot. The iPhone's screen appear lifeless when in DFU mode, making it impossible to tell by looking at it whether the iPhone is in DFU or powered off. PwnageTool exploits a vulnerability when the iPhone is in DFU to flash custom firmware to the iPhone. As iBoot and the OS are not yet loaded, downgrading the firmware version if possible.
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Firmware
A firmware is a small program that internally controls various electronic devices.
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GPS
GPS, short for Global Positioning System, is a method of locating your iPhone 3G or 3GS using satellite triangulation. This allows navigation software or geotagging software to be used with your iPhone. Geotagging simply tags the location your pictures were taken in and allows you to then later consult a map which points out the locations your photos were taken in.
--------------------------------------------------------------------------------------------------------
Hacktivation
Hacktivation is nothing else than activation.
There is only one slight difference. Activating your iPhone is done through iTunes in order to use it with an official carrier. Check out "Activation" in our iPhone terminology.
Hacktivation is its equivalent for iPhones that don't work with an official carrier and therefore need to be activated with a jailbreak tool.
--------------------------------------------------------------------------------------------------------
iBoot
iBoot is the bootloader for the application processor on the iPhone. iBoot is responsible for putting the iPhone into recovery mode. During a restore of the iPhone, iBoot makes sure that you are flashing a firmware version greater than or equal to the current one on your iPhone. If this isn't the case, iBoot will not allow the restore process to proceed. This is why firmware downgrades have to be done in DFU mode. iBoot has an interactive interface which allows communication via USB or serial.
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Icy
Icy is a package installer and manager for the iPhone, created and maintained by Ripdev. It which allows users to browse and download applications from a range of sources. Most applications are available to download for free, but some require purchase after downloading, including other software created by Ripdev, such as Kate. The applications are downloaded directly to your iPhone and are generally located in the /Applications/ directory. This is also where Apple's native applications are locate. Icy can be installed when jailbreaking, using tools such as "Pwnage Tool", but can also be installed later through Cydia. For more information visit Ripdev: The iPhone Authority. (See also: Cydia, Cydia Store, Installer App, AppStore, Rock Your Phone and Kryptes)
--------------------------------------------------------------------------------------------------------
Icy vs Cydia
Icy is the main alternative to Cydia and was programmed by Ripdev as a source of unofficial applications. The purpose of developing Icy was to create a package manager that uses the same libraries as Cydia, works just like Cydia, is compatible with Cydia sources but is "faster, more lightweight, slicker and cooler to use". For more information visit Ripdev: The iPhone Authority
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IMEI
The IMEI number of your iPhone is unique. IMEI stands for International Mobile Equipment Identity. It is static (it never changes) and identifies your iPhone. All mobile phones have an IMEI number.
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InstallerApp
InstallerApp is a native Mac OS X and Microsoft Windows application that allows you to easily download applications from Cydia and Icy directly onto your computer. The downloaded applications can be easily installed to the iPhone by USB cable. InstallerApp comes with a special background application which is installed on your iPhone. It only take very little of your precious space, is only launched on demand and exits as soon as the task it is running is done. The main advantage is that you can synchronize all applications between your iPhone and your computer, install a new firmware on your iPhone and synchronize all the apps back again. This way you avoid loosing time by manually installing every single app. For more information visit Ripdev: The iPhone Authority. (See also: Cydia, Cydia Store, App Store, Rock Your Phone, Icy and Kryptes)
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iPhone Dev Team
The iPhone Dev Team is a group of hackers who have extended the iPhone’s capabilities and have developed many tools that enable the use of applications and telephone carriers unauthorized by Apple.
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IPSW
The file extension ipsw stands for iPhoneSoftware. An IPSW file is nothing more than a firmware file for the iPhone.
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Jailbreak
Your iPhone has been designed with restrictions that prevent you from running applications obtained from sources other than Apple's own iTunes App Store. To be able to install these applications, your iPhone needs to be jailbroken. Jailbreaking allows to read and write to the iPhone's operating system's partition, thereby liberating your iPhone from Apple's software "jail".
Confused ? Don't this will explain it all:
Partitioning is achieved when an operating system splits the memory into smaller separate units. Let's make it real easy: Let's take a pizza as the perfect example. The box the pizza was delivered in and the whole pizza represent your hard-drive on which you can store your files. So if you open the box, cut the pizza in half, that's like splitting up your hard-drive into two pieces. That's what partitioning is all about. The computer opens the box, sees the two halves of pizza and considers them to be two halves, although it's one whole pizza.
Your iPhone operates in the same way. It uses two partitions, one media partition and one partition for the operating system. The media partition is where all your iTunes data is stored: music, movies, contacts, App Store apps , etc. This partition is usually the total size of your iPhone’s memory capacity, but deduct about 500-600 MB for the operating system partition. Apple has set up the iPhone's partition in such a way that the hacking has to be done in the operating system's partition which isn't as easily accessible as the media partition.
The partition on which the operating system (iPhone OS) is installed is the space Apple has locked. This is where the jailbreak lies. Once we gain access to this partition, you can do a number of things, such as:
* Install unofficial (non-App Store) applications which weren't accepted to the App Store (for one reason or another) or haven't yet been submitted to the App Store
* Execute scripts and commands (for advanced users)
* Tweak the visual aspects of the iPhone's OS
Jailbreaking brings these functionalities and a lot more to your device.
This thread will help to clarify some terms and words you may hear in reference to the iPhone. As these terms and words are often confused.
EDGE/3G
EDGE and 3G are two mobile data technologies that allow you to have an internet connection virtually anywhere on your iPhone. Make sure to have a data subscription or you will encounter high costs. The original iPhone (2G) supported EDGE/GPRS, a slower form of data transfer, while the iPhone 3G and 3GS both support the fast 3G standard.
--------------------------------------------------------------------------------------------------------
Accelerometer
The accelerometer is a tiny 3-axis device that monitors the iPhone’s position in its environment. It can tell which way the iPhone it is being held or rotated. Applications can be built to take advantage of this, such as Safari does when you turn your iPhone onto its side. A lot of games specially developed for the iPhone take advantage of the accelerometer as a method of controlling the character, such as Super Monkey Ball from the iPhone App Store.
--------------------------------------------------------------------------------------------------------
Activation
Activating your iPhone means giving it access to the Springboard by telling your telephone that you are using one of the iPhone's official telecommunication carriers. After having bought your iPhone or after restoring it to its original state, you will notice that you can only make emergency calls. You are blocked on a welcome screen with the iTunes logo and a drawing of a USB cable, and the default message "slide to unlock" has changed to "slide for emergency". This way one obliges you to connect to iTunes to make sure that you use an official carrier (LuxGsm or Vox in Luxembourg, Orange or SFR in France, Mobistar in Belgium, AT&T in the USA etc).
However, if your iPhone is blocked and if you wish to use it with a non-supported carrier or simply would like to use your iPhone without the telephone function (I wouldn't understand the interesting in doing this but one never knows), you have to make your iPhone believe that it has been activated through iTunes. This is what one calls hacktivation. Understand that a jailbreak is prerequisite for an hacktivation. Check out "Hacktivation" in our iPhone terminology for more information.
--------------------------------------------------------------------------------------------------------
App Store
The App Store is a service for the iPhone and iPod Touch created by Apple Inc. which allows users to browse and download applications from the iTunes Store that were developed with the iPhone SDK and published through Apple. The applications are available to purchase or free of charge, depending on the application. The applications are downloaded directly to iPhone or iPod Touch. The App Store is also available within iTunes. (See also: Cydia, Cydia Store, Installer App, Rock Your Phone, Icy and Kryptes)
--------------------------------------------------------------------------------------------------------
Augmented reality
Augmented Reality (AR) is a field of computer research which deals with
the combination of real-world and computer-generated data . It uses the camera on your iPhone to display real time digital information over top of what you see through the camera lens. In other words, on top of the camera screen that you are looking at is a layer of 3D content that can be completely interactive.
--------------------------------------------------------------------------------------------------------
Baseband
The baseband is a subsystem on the iPhone which manages all functions which require an antenna, like phone line communications etc. Modifying this subsystem is how unlocks are achieved. The baseband is separated from the OS and has it’s own processor and it’s own firmware. It’s firmware is called the baseband firmware. Baseband versions look like this: 4.01.13_G (1.1.1) 4.03.13_G (1.1.3). An iTunes restore will not modify the baseband of your iPhone unless your baseband is erased or downgraded prior to the restore.
--------------------------------------------------------------------------------------------------------
Bootloader
The bootloader is the first thing that is executed when the iPhone is powered on. There are two shipping bootloaders, 3.9 and 4.6. The bootloader can be downgraded using hacking methods. It is risky downgrading your bootloader because if something goes wrong, you cannot repair it. Bootloaders perform an integrity check on data and prevent unsigned, non-apple code from being loaded. They essentially police the iPhone's OS, making sure everything is the way Apple want it to be. PwnageTool, WinPwn and QuickPwn patch out integrity checks from the bootloaders, allowing unsigned code to be executed.
--------------------------------------------------------------------------------------------------------
Brick
To brick an iPhone means to make it permanently unusable, usually through software modifications. A common misconception is that jailbreaking an iPhone could brick it if something went wrong. This is not true. Thanks to the DFU mode and iTunes’ restore system, an iPhone that didn’t jailbreak correctly can easily be recovered and set to its original state.
--------------------------------------------------------------------------------------------------------
Cydia
Cydia is a software application developed by Jay "Saurik" Freeman for the iPhone OS. Repositories that are included with Cydia allow for installation of software packages in which most are available to download at no cost. The software packages are downloaded directly to an iPhone and are located in the /Applications directory, the same location where Apple's native applications are located. Cydia is installed via jailbreaking. It is included in Pwnage Tool exclusively for Mac users, redsn0w for Mac and Windows users or QuickPwn for Mac and Windows users running Pre OS 3.0 devices. Cydia applications can often function on a deeper level than Apple-approved applications, because they have the ability to access any part of the hardware or filesystem that they need. This allows for themes, file browsers and large-scale tweaks. (See also: Cydia Store, App Store, Installer App, Rock Your Phone, Icy and Kryptes)
--------------------------------------------------------------------------------------------------------
Cydia Store
In March 2009, Jay "Saurik" Freeman, the developer of Cydia, introduced a way to sell applications via Cydia, the Cydia Store (an AppStore, Rock Your Phone alternative), although the majority of applications on Cydia remain free. Users pay through PayPal, and the proof of payment is linked to a Google or Facebook account, in case users move to different physical iPhone devices. (See also: Cydia, App Store, Installer App, Rock Your Phone, Icy and Kryptes)
--------------------------------------------------------------------------------------------------------
DFU Mode
DFU Mode is a special mode in which the iPhone can still interact with iTunes, yet it does not load the iPhone OS or iBoot. The iPhone's screen appear lifeless when in DFU mode, making it impossible to tell by looking at it whether the iPhone is in DFU or powered off. PwnageTool exploits a vulnerability when the iPhone is in DFU to flash custom firmware to the iPhone. As iBoot and the OS are not yet loaded, downgrading the firmware version if possible.
--------------------------------------------------------------------------------------------------------
Firmware
A firmware is a small program that internally controls various electronic devices.
--------------------------------------------------------------------------------------------------------
GPS
GPS, short for Global Positioning System, is a method of locating your iPhone 3G or 3GS using satellite triangulation. This allows navigation software or geotagging software to be used with your iPhone. Geotagging simply tags the location your pictures were taken in and allows you to then later consult a map which points out the locations your photos were taken in.
--------------------------------------------------------------------------------------------------------
Hacktivation
Hacktivation is nothing else than activation.
There is only one slight difference. Activating your iPhone is done through iTunes in order to use it with an official carrier. Check out "Activation" in our iPhone terminology.
Hacktivation is its equivalent for iPhones that don't work with an official carrier and therefore need to be activated with a jailbreak tool.
--------------------------------------------------------------------------------------------------------
iBoot
iBoot is the bootloader for the application processor on the iPhone. iBoot is responsible for putting the iPhone into recovery mode. During a restore of the iPhone, iBoot makes sure that you are flashing a firmware version greater than or equal to the current one on your iPhone. If this isn't the case, iBoot will not allow the restore process to proceed. This is why firmware downgrades have to be done in DFU mode. iBoot has an interactive interface which allows communication via USB or serial.
--------------------------------------------------------------------------------------------------------
Icy
Icy is a package installer and manager for the iPhone, created and maintained by Ripdev. It which allows users to browse and download applications from a range of sources. Most applications are available to download for free, but some require purchase after downloading, including other software created by Ripdev, such as Kate. The applications are downloaded directly to your iPhone and are generally located in the /Applications/ directory. This is also where Apple's native applications are locate. Icy can be installed when jailbreaking, using tools such as "Pwnage Tool", but can also be installed later through Cydia. For more information visit Ripdev: The iPhone Authority. (See also: Cydia, Cydia Store, Installer App, AppStore, Rock Your Phone and Kryptes)
--------------------------------------------------------------------------------------------------------
Icy vs Cydia
Icy is the main alternative to Cydia and was programmed by Ripdev as a source of unofficial applications. The purpose of developing Icy was to create a package manager that uses the same libraries as Cydia, works just like Cydia, is compatible with Cydia sources but is "faster, more lightweight, slicker and cooler to use". For more information visit Ripdev: The iPhone Authority
--------------------------------------------------------------------------------------------------------
IMEI
The IMEI number of your iPhone is unique. IMEI stands for International Mobile Equipment Identity. It is static (it never changes) and identifies your iPhone. All mobile phones have an IMEI number.
--------------------------------------------------------------------------------------------------------
InstallerApp
InstallerApp is a native Mac OS X and Microsoft Windows application that allows you to easily download applications from Cydia and Icy directly onto your computer. The downloaded applications can be easily installed to the iPhone by USB cable. InstallerApp comes with a special background application which is installed on your iPhone. It only take very little of your precious space, is only launched on demand and exits as soon as the task it is running is done. The main advantage is that you can synchronize all applications between your iPhone and your computer, install a new firmware on your iPhone and synchronize all the apps back again. This way you avoid loosing time by manually installing every single app. For more information visit Ripdev: The iPhone Authority. (See also: Cydia, Cydia Store, App Store, Rock Your Phone, Icy and Kryptes)
--------------------------------------------------------------------------------------------------------
iPhone Dev Team
The iPhone Dev Team is a group of hackers who have extended the iPhone’s capabilities and have developed many tools that enable the use of applications and telephone carriers unauthorized by Apple.
--------------------------------------------------------------------------------------------------------
IPSW
The file extension ipsw stands for iPhoneSoftware. An IPSW file is nothing more than a firmware file for the iPhone.
--------------------------------------------------------------------------------------------------------
Jailbreak
Your iPhone has been designed with restrictions that prevent you from running applications obtained from sources other than Apple's own iTunes App Store. To be able to install these applications, your iPhone needs to be jailbroken. Jailbreaking allows to read and write to the iPhone's operating system's partition, thereby liberating your iPhone from Apple's software "jail".
Confused ? Don't this will explain it all:
Partitioning is achieved when an operating system splits the memory into smaller separate units. Let's make it real easy: Let's take a pizza as the perfect example. The box the pizza was delivered in and the whole pizza represent your hard-drive on which you can store your files. So if you open the box, cut the pizza in half, that's like splitting up your hard-drive into two pieces. That's what partitioning is all about. The computer opens the box, sees the two halves of pizza and considers them to be two halves, although it's one whole pizza.
Your iPhone operates in the same way. It uses two partitions, one media partition and one partition for the operating system. The media partition is where all your iTunes data is stored: music, movies, contacts, App Store apps , etc. This partition is usually the total size of your iPhone’s memory capacity, but deduct about 500-600 MB for the operating system partition. Apple has set up the iPhone's partition in such a way that the hacking has to be done in the operating system's partition which isn't as easily accessible as the media partition.
The partition on which the operating system (iPhone OS) is installed is the space Apple has locked. This is where the jailbreak lies. Once we gain access to this partition, you can do a number of things, such as:
* Install unofficial (non-App Store) applications which weren't accepted to the App Store (for one reason or another) or haven't yet been submitted to the App Store
* Execute scripts and commands (for advanced users)
* Tweak the visual aspects of the iPhone's OS
Jailbreaking brings these functionalities and a lot more to your device.
-------------------------------------------------------------------------------------------------------
Tethered iPhone jailbreaks
While requiring a computer, DEFCON badge, or TI-84 calculator to assist an iPod boot is mostly just an inconvenience, requiring the same thing for an iPhone reboot is a major hassle. It means you won't be able to use your iPhone as a cellphone until you can perform the tethered boot. Every time your battery runs out or your system resets due to a software bug or memory exhaustion, you'd need to do a tethered boot to use your phone again.
Where unTethered iPhone jailbreak you do not need a computer to reboot iDevices
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Kryptes
Kryptes is a lightweight, package handler that was designed by Sleepers. In fact it works just like Cydia and the other package handlers. Make sur to add following repository to Cydia if you wish to download Kryptes to your iPhone: Installer 4.0 Repository. For more information (See also: Cydia Store, Cydia, App Store, Installer App, Rock Your Phone and Icy)
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Pwned
Pwning an iPhone means preparing it to accept custom iPhone firmware bundles (also called ipsw files) in iTunes.
--------------------------------------------------------------------------------------------------------
Pwning, PwnageTool, QuickPwn, WinPwn
These programs are used to patch out checks from the bootloaders and kernel of the iPhone. The exploit they use is at DFU level. PwnageTool and WinPwn both create custom restore files, while QuickPwn hacks the device on the firmware that it is currently running on.
--------------------------------------------------------------------------------------------------------
Recovery Mode
Recovery Mode is a state of iBoot that is used during standard upgrades and restores. As iBoot is active, it does not allow you to downgrade your device’s software. Unless it is ‘pwned,’ it will not allow custom firmware to be flashed.
--------------------------------------------------------------------------------------------------------
repository
A software repository is a storage location from which software packages may be retrieved and installed. It is composed of sources (web adresses) which can be added to Cydia or Icy. Different sources host different applications, wallpapers or themes.
--------------------------------------------------------------------------------------------------------
Ripdev
Ripdev is a team of programmers dedicated to the development of innovative applications for the iPhone. For more information visit Ripdev: The iPhone Authority
--------------------------------------------------------------------------------------------------------
Rock Your Phone
Rock Your Phone is a third party program distribution system. It has a couple of programs available now of which 10 day trial versions can be downloaded and tested. Rock Your Phone also has developed a desktop client which allows you to download the applications to your computer and synch them back to your iPhone by USB. For more information visit Rock Your Phone. (See also: Cydia, Cydia Store, Installer App, AppStore, Icy and Kryptes)
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SIM
A Subscriber Identity Module (SIM) is a small chip provided by your telephone carrier which contains your specific and unique data, like your phone number, your IMEI code and more. The SIM card is what identifies your phone on the cellular network, and is used by GSM and UMTS phones.
--------------------------------------------------------------------------------------------------------
SpringBoard (Home Screen)
The iPhone's main screen is called the SpringBoard. It may consist of several pages, depending on how many apps you have installed on your iPhone. The SpringBoard is where you choose which app you want to open.
--------------------------------------------------------------------------------------------------------
SSH
Secure Shell (SSH) is a method of file transfer for securely exchanging data between an iPhone and a computer (providing that the iPhone is jailbroken and OpenSSH is installed).
--------------------------------------------------------------------------------------------------------
UMTS
UMTS is the successor to GSM. It is a 3G, W-CDMA based network. It can also be expanded to 4G. This is the technology that iPhone 3G and 3GS uses.
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UnLock
Unlocking your device means opening up the iPhone’s modem to accept SIM cards from unofficial carriers. In some countries the iPhone is unlocked by default and not blocked for use with only one carrier. Such an iPhone can be used with any SIM card. In the USA for example, an iPhone will not connect to any carrier other than AT&T, unless it is unlocked.
Just as the iPhone OS checks the applications that you interact with whenever you use your iPhone, the baseband processor controls your iPhone's modem. The baseband processor has its own, separate firmware from the main operating system, called the baseband firmware. During most iPhone software updates, Apple updates the baseband firmware on the iPhone. The unlock lies in the baseband firmware. By patching out certain bytes, you can bypass the SIM check. For some devices, updating the baseband can mean that you won't be able to unlock your iPhone anymore. Thankfully, the IPhone Dev Team has developed programms like PwnageTool which can disable the baseband to update when the iPhone's software is updated, allowing the iPhone to remain unlocked and thus enjoy the latest version of the iPhone's software. Jailbreaking and activating are prerequisites for unlocking.
......Where unTethered iPhone jailbreak you do not need a computer to reboot iDevices
--------------------------------------------------------------------------------------------------------
Kryptes
Kryptes is a lightweight, package handler that was designed by Sleepers. In fact it works just like Cydia and the other package handlers. Make sur to add following repository to Cydia if you wish to download Kryptes to your iPhone: Installer 4.0 Repository. For more information (See also: Cydia Store, Cydia, App Store, Installer App, Rock Your Phone and Icy)
--------------------------------------------------------------------------------------------------------
Pwned
Pwning an iPhone means preparing it to accept custom iPhone firmware bundles (also called ipsw files) in iTunes.
--------------------------------------------------------------------------------------------------------
Pwning, PwnageTool, QuickPwn, WinPwn
These programs are used to patch out checks from the bootloaders and kernel of the iPhone. The exploit they use is at DFU level. PwnageTool and WinPwn both create custom restore files, while QuickPwn hacks the device on the firmware that it is currently running on.
--------------------------------------------------------------------------------------------------------
Recovery Mode
Recovery Mode is a state of iBoot that is used during standard upgrades and restores. As iBoot is active, it does not allow you to downgrade your device’s software. Unless it is ‘pwned,’ it will not allow custom firmware to be flashed.
--------------------------------------------------------------------------------------------------------
repository
A software repository is a storage location from which software packages may be retrieved and installed. It is composed of sources (web adresses) which can be added to Cydia or Icy. Different sources host different applications, wallpapers or themes.
--------------------------------------------------------------------------------------------------------
Ripdev
Ripdev is a team of programmers dedicated to the development of innovative applications for the iPhone. For more information visit Ripdev: The iPhone Authority
--------------------------------------------------------------------------------------------------------
Rock Your Phone
Rock Your Phone is a third party program distribution system. It has a couple of programs available now of which 10 day trial versions can be downloaded and tested. Rock Your Phone also has developed a desktop client which allows you to download the applications to your computer and synch them back to your iPhone by USB. For more information visit Rock Your Phone. (See also: Cydia, Cydia Store, Installer App, AppStore, Icy and Kryptes)
--------------------------------------------------------------------------------------------------------
SIM
A Subscriber Identity Module (SIM) is a small chip provided by your telephone carrier which contains your specific and unique data, like your phone number, your IMEI code and more. The SIM card is what identifies your phone on the cellular network, and is used by GSM and UMTS phones.
--------------------------------------------------------------------------------------------------------
SpringBoard (Home Screen)
The iPhone's main screen is called the SpringBoard. It may consist of several pages, depending on how many apps you have installed on your iPhone. The SpringBoard is where you choose which app you want to open.
--------------------------------------------------------------------------------------------------------
SSH
Secure Shell (SSH) is a method of file transfer for securely exchanging data between an iPhone and a computer (providing that the iPhone is jailbroken and OpenSSH is installed).
--------------------------------------------------------------------------------------------------------
UMTS
UMTS is the successor to GSM. It is a 3G, W-CDMA based network. It can also be expanded to 4G. This is the technology that iPhone 3G and 3GS uses.
--------------------------------------------------------------------------------------------------------
UnLock
Unlocking your device means opening up the iPhone’s modem to accept SIM cards from unofficial carriers. In some countries the iPhone is unlocked by default and not blocked for use with only one carrier. Such an iPhone can be used with any SIM card. In the USA for example, an iPhone will not connect to any carrier other than AT&T, unless it is unlocked.
Just as the iPhone OS checks the applications that you interact with whenever you use your iPhone, the baseband processor controls your iPhone's modem. The baseband processor has its own, separate firmware from the main operating system, called the baseband firmware. During most iPhone software updates, Apple updates the baseband firmware on the iPhone. The unlock lies in the baseband firmware. By patching out certain bytes, you can bypass the SIM check. For some devices, updating the baseband can mean that you won't be able to unlock your iPhone anymore. Thankfully, the IPhone Dev Team has developed programms like PwnageTool which can disable the baseband to update when the iPhone's software is updated, allowing the iPhone to remain unlocked and thus enjoy the latest version of the iPhone's software. Jailbreaking and activating are prerequisites for unlocking.
Firmware – this refers to the version of software that has been installed on your iPhone. It can range from 1.0.0, 1.0.2, 1.1.1, and 1.1.2 at the the current moment.
Modem Firmware – this refers to the version of your iPhone’s phone software (to make calls). Check out the corresponding Modem Firmware and iPhone Firmware chart below:
| Modem Firmware | iPhone Firmware |
| 03_12_06_G | Firmware Version 1.0.0 |
| 03_14_08_G | Firmware Version 1.0.2 |
| 04_01_13_G | Firmware Version 1.1.1 |
| 04_02_13_G | Firmware Version 1.1.2 |
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