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Downgrade iPhone4 from 4.1 to 4.0.2?
- Thread starter BassJunkieDan
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Only way to do it is if you saved your 4.0.2 shsh's either locally with Tinyumbrella or on cydias server.
Only way to do it is if you saved your 4.0.2 shshs either locally with Tinyumbrella or on cydia's server.
Sorry should have said it isn't jailbroken and I don't want to downgrade to do that, it's to fix this: http://www.engadget.com/2010/09/15/did-ios-4-1-introduce-in-car-usb-playback-problems-for-you/
Oh I see.
Many people have been posting about those issues and even with some stock car bluetooth features not working any more with 4.1.
Unfortunately you cannot downgrade to previous firmware without those blobs saved back when 4.0.2 was still signed.
how would i go about downgrading if i saved my 4.0.1 SSHh on Cydia's server?
I upgraded to 4.1 due to the slowness of the 3G and it's working much better. However I might have an opportunity to sell my 3G but they want it J/B and unlocked (can i even unlock if I go back to 4.01 or did the baseband change and I'm SOL?)
I did save my SSh in Cydia's server when i Jailbroke back in 4.01 (or 4.0 dont recall).
Thanks
Unless you upgraded to 4.1 using TinyUmbrella's posted method, you did in fact update your baseband as well. At this time, you cannot unlock, though if your blobs are saved, you'll at least be able to downgrade to 4.0.1 and still JB. Check out the TU blog for more details.
If your buyer wants an unlock, you'll have to wait until they find/release an unlock for the updated baseband. Hopefully that's sooner rather than later.
I guess i upgraded my baseband. I guess I'll have to wait then, no much use in jailbreaking since I can't unlock it which is what he wants.
Thanks for the info!!