Top 10 FAQs about iOS Jailbreaking/Jailbreakers and Jailbreaking Tools
If you are a frequent user of Apple iOS products including iPhone,iPad,iPod touch, Apple TV, Macbook Pro and Macbook Air, you will be surely familar to the terms Jailbreaking, hacking, unlocking, iOS etc.
However for the new Applers, these terms are new and somewhat confusing. So here is the post for all iOS users which covers all aspects of Jailbreaking,Hacking and its related issues in an easy to understand FAQ format.
1- What is Jailbreaking?
iOS jailbreaking is a process that allows devices running Apple’s iOS (also known as iPhone OS prior to iOS 4.0) operating system (such as the iPad, iPhone, iPod Touch, and recently Apple TV) to gain full access (root access) to unlock all features of the said operating system, thereby removing limitations imposed by Apple. Once jailbroken, iOS users are able to download additional applications, extensions and themes that are unavailable through the official Apple App Store, via installers such as Cydia, one of a number of current means for older iPhones. A jailbroken iPad, iPhone or iPod Touch running iOS can still use the App Store and iTunes and other normal functions, such as making telephone calls. Jailbreaking is similar to rooting an Android device.
2-What is the difference between Unlocking and Jailbreaking?
Jailbreaking is different than SIM unlocking, which, once completed, means that the mobile phone will accept any SIM card without restriction, thus allowing the user access to alternative phone companies. To software unlock an iPhone, one must jailbreak first, giving the user full access of the device to do such a thing. For newer devices, this process usually involves downloading ultrasn0w from Cydia. One alternative to software unlocking is to buy a factory unlocked iPhone. These iPhones come SIM unlocked straight from Apple and don’t require to be jailbroken using third party software.
3-What is the Difference between Tethered & Untethered Jailbreaking?
A tethered jailbreak requires that the device be connected to a computer each time it needs to be booted into a jailbroken state. An untethered jailbreak allows the device to be powered off and rebooted without affecting the jailbreak, i.e., without requiring that it be reconnected to a computer. When iOS updates are released, software to perform tethered jailbreaks is often released before untethered jailbreaking software becomes available to the public.
4-What is the Difference between Old Bootrom Devices and New Bootrom Devices?
All software used is untethered unless otherwise stated. An untethered jailbreak means the user is able to reboot their Apple iOS device without the need to connect to a computer and re-run the jailbreak tool to power up the device in question.
The devices are classified into two categories below; the ‘old bootrom’ devices are more easily exploitable, while the ‘new bootrom’ devices were released later after Apple patched certain holes. The iPod touches are split into MB model numbers (old bootrom) and MC model numbers (new bootrom). The iPhone 3GS also uses MB and MC model numbers, but while an MB indicates an old bootrom, some MC models have the old bootrom and the others have the new. Most jailbreaks require booting the iPhone into DFU mode (Device Firmware Update) in order to perform the exploit.
5-Legal Issues in USA:
In response to a request by the Electronic Frontier Foundation, the U.S. Copyright Office explicitly recognized an exemption to the DMCA to permit jailbreaking in order to allow iPhone owners to use their phones with applications that are not available from Apple’s store, and to unlock their iPhones for use with unapproved carriers. Apple had previously filed comments opposing this exemption and indicated that they did consider jailbreaking to be a violation of copyright (and by implication prosecutable under the DMCA). Apple’s request to define copyright law to include jailbreaking as a violation was denied as part of the 2009 DMCA rulemaking. In their ruling, the Library of Congress affirmed on July, 26, 2010 that jailbreaking is exempt from DMCA rules with respect to circumventing digital locks. This exemption must be reviewed and renewed every three years or else it will expire.
6-Why People Do Jailbreaking?
There are many reasons that users jailbreak their iOS device. Some jailbreak to circumvent software limitations put in place (e.g., tethering, filesystem access, or the use of software from sources outside the App Store), or to gain deeper customization of their device (e.g. theming, redesigned user interfaces).
Some look to extra-App Store sources of software to express opposition to Apple’s censorship of content through the app approval process. In early 2010, Apple banned an app submitted by Pulitzer Prize-winning cartoonist, Mark Fiore, because it “ridiculed public figures,” in violation of Section 3.3.14 of the iPhone Developer Program License Agreement. Apple later called Fiore and asked him to resubmit his app for approval. In late 2010, Apple banned the use of apps that allowed users to donate money to non-profit organization and charities. Apple also banned the controversial WikiLeaks app, stating it “violated their developer guidelines.” As the list of banned apps continues to grow, some users have found jailbreaking to be a viable alternative to Apple’s censorship of content.
7-What is Cydia:
Cydia is a software application for iOS that allows a user to find and download software packages (including applications) for a jailbroken iPhone, iPod Touch or iPad. Cydia is a graphical front end to APT and the dpkg package management system, so the packages available in Cydia are provided by a decentralized system of repositories that list these packages. Most of the software packages available through Cydia are free, and it also includes several hundred packages for sale through the Cydia Store with a commission setup similar to the App Store.
8- What are the Most Recent Jailbreaking Tools?
9- Some Famous Jailbreakers working as a Team?
The iPhone Dev Team is a development group in the ‘iOS’ (previously iPhone OS) community which has developed a number of tools to enable use of applications not authorized by Apple Inc on the iPhone, iPod Touch and iPad and to enable use of the iPhone on GSM carriers not contracted by Apple. These applications provide owners with the ability to sidestep the limitations placed on the devices by the manufacturer, allowing for activities such as deep customization and easy international roaming. The group and their tools have become emblematic for these activities, which are termed jailbreak and SIM unlocking respectively, to the extent that the Electronic Frontier Foundation have made them the primary example used in their petition to create a DMCA anti-circumvention exemption for jailbreaking and Apple executive Greg Joswiak (Vice President iPhone Product Marketing) has quoted them in his countering comment to the same petition.
Chronic Dev is not the same as the iPhone Dev Team. Chronic Dev is a team of hackers. Actually they cannot be distinctly assigned with such a “team”, some just work losely together and might also be in another team. According to their Blog page the following members are currently in the team:
- iRecovery / libirecovery
10- Some Famous iPhone Jailbreakers & hackers:
Comex is a Wii and iOS hacker that was born in April 1992 .Comex released Spirit to jailbreak iOS 3.1.2 through 3.2, and a new version of JailbreakMe (codenamed star) for iOS 3.1.2 through 4.0.1.
George Francis Hotz, alias geohot, million75 or simply mil, is an American hacker known for unlocking the iPhone, allowing the phone to be used with other wireless carriers, contrary to AT&T and Apple’s intent. He is also noted for hacking the PlayStation 3 and subsequently being sued by Sony for doing so.
He is one of the “core” members of the iPhone Dev Team. MuscleNerd is primarily focused on the baseband (unlocking).
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