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NEW Jailbreak 7.1.2 Untethered Pangu iOS 7.1.2 iPhone 5S,5C 4S,4,iPod Touch 5 & iPad Mini 2, Air 3,4
Jailbreaking is the process of removing limitations on iOS, Apple's operating system on devices running it through the use of software and hardware exploits; such devices include the iPhone, iPod touch, iPad, and second-generation Apple TV. Jailbreaking permits root access to the iOS file system and manager, allowing the download of additional applications, extensions, and themes that are unavailable through the official Apple App Store.
Jailbreaking is a form of privilege escalation, and the term has been used to describe privilege escalation on devices by other manufacturers as well. The name refers to breaking the device out of its "jail",which is a technical term used in Unix-style systems, for example in the term "FreeBSD jail". A jailbroken iPhone, iPod touch, or iPad running iOS can still use the App Store, iTunes, and other normal functions, such as making telephone calls.
Restoring a device with iTunes removes the jailbreak.
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Reasons for jailbreaking[edit]
One of the reasons for jailbreaking is to expand the feature set limited by Apple and its App Store.[dubious – discuss] Apple checks apps for compliance with its iOS Developer Program License Agreement before accepting them for distribution in the App Store. However, their reasons for banning apps are not limited to safety and security and may be construed as arbitrary and capricious. To access the list of banned apps, users rely on jailbreaking to circumvent Apple's censorship of content and features. Jailbreaking permits the downloading of programs not approved by Apple, such as customization apps used to change the User Interface.
Device customization[edit]
Since software programs available through Cydia are not required to adhere to App Store guidelines, many of them are not typical self-contained apps but instead are extensions and customizations for iOS and other apps. Users install these programs for purposes including personalization and customization of the interface, adding desired features and fixing annoyances, and making development work on the device easier by providing access to the filesystem and command-line tools.
Many Chinese iOS device owners also jailbreak their phones to install third-party Chinese character input systems because they are easier to use than Apple's.
Use of handset on multiple carriers[edit]
Jailbreaking also opens the possibility for using software to unofficially unlock carrier-locked iPhones so they can be used with other carriers. Software-based unlocks have been available since September 2007, with each tool applying to a specific iPhone model and baseband version (or multiple models and versions).
Early exploit fixes[edit]
On July 15, 2011, Apple released a new version of iOS that closed the exploit used in JailbreakMe 3.0. The German Federal Office for Information Security had reported that the "critical weakness" uncovered by JailbreakMe meant that iOS users could potentially have their information stolen or unwillingly download malware by clicking on maliciously crafted PDF files. Before Apple released a fix for this security hole, jailbreak users had access to a fix published by the developer of JailbreakMe.