Discuss iphone 4 reset at the iOS 4.x (iPhone OS 4.x) - Hackint0sh.org; Iphone 4, os 4.0.1,...somebody erased all data and settings to my phone... what to do ...
iphone 4 reset
Iphone 4, os 4.0.1,...somebody erased all data and settings to my phone... what to do to get my 4.0.1 back with its unlock and jailbreak... no SHSH saved! cannot restore to 4.0.1 nor upgrade to 4.0.2... any ideas?
Firstly, posting in the right section will get you an answer quicker.
Originally Posted by noble001
restoring to 4.2.1 is pretty much your only option (assuming you don't have a 4.1 or 4.0.2 SHSH saved)
erase all content and settings wipes your OS, you must reinstall the phone.
SHSH prevents you installing anything but the latest version that Apple is still signing (which is 4.2.1 and *maybe* 4.1 right now)
4.1 - jailbreakable
4.2.1 - jailbreakable (tethered)
You can save your baseband from being updated (if you rely on unlock) by using TinyUmbrella during the restore. However there are some issues with baseband checks in the restore process for 4.2.1 that make things more tricky.
Please read the stickies & search forum before posting! How to report an iTunes restore/update fail in a useful manner
iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter
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