Windows:
1. Get your ECID following this instructions: How to Grab iPad ECID on Windows and Mac
2. You need to have your iPad in restore mode, which is the connect to iTunes screen.
3. Get firmware umbrella 2.22
4. Open umbrella.exe, type your ECID, Select iPad 3.2 in Device version and select Apple in SHSH repo and hit the submit button (this will request the shsh signature from APPLE and save it to your PC)
5. It will save your shsh copy in the same directory where the umbrella.exe file is, copy it and rejoice, for you have your own 64kb gold with you.
Mac:
1. Get your ECID following this instructions: How to Grab iPad ECID on Windows and Mac
2. Get firmware umbrella, move the Umbrella app OUT of the .dmg file preferably onto your desktop.
3. Open umbrella.app, type your ECID, Select iPad 3.2 in Device version and select Apple in SHSH repo and hit the submit button (this will request the shsh signature from APPLE and save it to your Mac)
4. It will save your shsh copy in the same directory where the umbrella.app file is, copy it and rejoice, for you have your own 64kb gold with you.
Special thanks to FirmwareUmbrella for developing and maintaining such a wonderful application.
iHackintosh doesn’t promote jailbreaking / unlocking the iPhone / iPod touch / iPad. This article is written for informational purpose and doesn’t, in any way, suggest that you should hack your Apple device.
Nói chung nếu bạn nào từng Backup SHSH cho iPhone 3Gs rồi thì đối với iPad cũng tương tự như vậy.
WINDOWS
MAC
Link tham khảo.