I have an iPhone 4 that I need to jailbreak/unlock for tmobile. I have searched and read a lot on how to but I'm still confused. It has firmware version 4.0.2 (8A400) is it possible to downgrade so I can jailbreak? Thanks in advance for the help. Justin
You can read this too, but under Device/Version : highlight iphone 4 4.0.1 shsh blogs. Help a newbie PLEASE!!! :)
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