How many generations of iPhones can be jailbroken? How to jailbreak, how many generations of iPhone can be upgraded? What tools to use? Please give me a detailed answer, thank you very much.

Hello

1 Every generation of iPhone can be jailbroken. The jailbreak steps before iphone4 are not simple enough and cannot be jailbroken with one click like now.

2. If you want to jailbreak, you can use the jailbreak tools developed by the jailbreak team, such as Green Poison, Red Snow and the evasi0n tool that is making a lot of noise now. Each one can jailbreak with one click. There are various tutorials on the Internet to help you. I recommend you. Go to www.app111.com where there are jailbreak tutorials for each version of ios devices,

3 Aisi Assistant can also jailbreak,

4 Every generation of iPhone can be refreshed Yes, as long as SHSH is saved in advance, the full name of SHSH is Signature HaSH blobs, Chinese: signature hash. shsh is a certificate that verifies the legitimacy of iTunes recovery firmware operations. When we use iTunes to restore the firmware, iTunes will submit the ECID of the firmware device to be restored to the Apple verification server and apply to obtain the shsh verification certificate for restoring that version of the firmware (that is, each version of the firmware, such as version 4.3.2 , the shsh corresponding to firmware versions 4.3.3 and 4.3.5 are different and unique), Apple will send a shsh certificate corresponding to the ECID to iTunes through the verification server, so that iTunes can continue to interact with this shsh Corresponding version of firmware recovery.

The SHSH of A5 devices (ipad2, 3, 4, 5, ipad mini 1, 2, iphone4s, 5, 5s, 5c) is no longer determined by ECID, but by the application time and number of applications Wait for a series of variables to be determined simultaneously. The SHSH backed up at different times is different. Even if you back up the SHSH, the time and number of times have changed when you want to use it, and the firmware cannot be restored. Using SHSH to restore firmware is only applicable to iPhone 4, itouch 4, ipad 1 and earlier. Other devices cannot be restored after backup. Therefore, you need to be cautious when upgrading A5 devices.

Itools+itunes is recommended for flat brushing tools, and the recommended tutorial is:/edu/55192.html Backing up SHSH can also be done using itools.

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