Since the introduction of iOS based devices, people around world had been looking for means to install apps other than those offered by Apple. The first Jailbreak came soon after the release of iOS 1.0 by iPhone Dev Team. The breakthrough came with the hard work of enthusiast developers in shape of Pwnage tool allowing users of iPhone and iPod Touch to jailbreak iOS 1.1.1 with installer.app as application installer. The term Jailbreak means, bringing your device out of the jail, where Apple has placed your device by not allowing you to install apps not approved by Apple. The term Jailbreak is similar to that of privilege escalation in Windows Platform or rooting in Linux / Android Platforms.
What is Jailbreak
Jailbreaking is the process of bringing your iOS based device out of application installation limitation imposed by Apple by using Hardware or Software exploits. When we switch On our iOS device, it initially loads Apple’s kernel which need to be patched by using these hardware / software exploits to achieve Jailbreak.
Types of Jailbreak
Jailbreak has been divided into two types one of which is “Tethered” and the other is “Untethered”.
What is Tethered Jailbreak
When an iOS device after being Jailbroken, if reboots at its own by user / owner and looses its Jailbroken state, this type of Jailbreak is known as “Tethered Jailbreak”. The device with Tethered Jailbreak needs to be Jailbroken again.
What is Untethered Jailbreak
When an iOS device after being Jailbroken, restarts at its won or is restarted by the user / owner and it reboots back in its Jailbroken state is known as “Untethered Jailbreak”.
History of Jailbreaking
iOS Version Release Date Jailbroken Date Jailbroken By
iOS 1.0 June 29, 2007 July 10, 2007 iPhone Dev Team
iOS 2.0 July 11, 2008 July 20, 2008 iPhone Dev Team
iOS 3.0 March 17, 2009 June 19, 2009 iPhone Dev Team
iOS 4.0 June 21, 2010 June 21–23, 2010 iPhone Dev Team
iOS 5.0 October 12, 2011 October 13, 2011 iPhone Dev Team
List of JailBreaking Tools
Tool Name Developed By
Pwnage Tool iPhone Dev Team
Redsn0w iPhone Dev Team
Absinthe pod2g, Chronic Dev Team
Latest iOS Jailbreaking Tools Download
Redsnow 0.9.14 – Developed by iPhone Dev Team and can be downloaded from here.
JailBreakMe 3.0 – Developed by Comex (with help of others) and available for download from this site.
Absinthe 2.04 – Developed by Chronic Dev Team and can be downloaded from here.
Jailbreaking iOS has always been a hot topic for Apple iOS based devices. Digital Millennium Copyright Act permits Jailbreaking in USA and is legal, however, Apple has declared that Jailbreaking may void Warranty. Therefore, before you jailbreak read in details about its effects on your iPhone, iPad or iPod Touch Warranty issues.
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