Discuss How to downgrade from 3.0 (not activated) to 2.0.2? at the iPhone OS 3.x - Hackint0sh.org; Hi folks,
I tried to upgrade my iPhone from 2.1 to 3.0. Its a 2g ...
How to downgrade from 3.0 (not activated) to 2.0.2?
I tried to upgrade my iPhone from 2.1 to 3.0. Its a 2g phone which was previously pwned.
The upgrade deactivated the phone.
Since then Ive been trying to downgrade the firmware back to 2.0.2 as apparently if you do that, then pwn, then upgrade to 3.0 the activation will remain.
I cant do the downgrade though - tried itunes 7.5/8.1/8.2 and i just get a random series of errors, and also tried downgrading using winpwn and quickpwn with no luck either.
Whats the crack?
Thanks for any help!
bro follow this guide and then just wait for the quickpwn release for 3.0
Get the latest info for NoAccSplash Here
Currently it should work on iOS 4.x - 6.x
If you'd like to help extend its functionality, the source is also available.
1. Put phone into DFU mode.
2. Restore to 2.0.2
3. Use quickpwn 2.0 RC3 (This is a must cause this works with 2.0.2) do not install Cydia
Now you have a activated, jailbreaked iPhone.
Now do the what you wish.
This worked for me on a 2G with 3.0 GM
I did the same thing but with iTunes 8.2 (final version) and Firmware 3.0 (final version).
I ended up with my iPhone unactivated and now I've been trying to downgrade by I always get 1600 error.
Should I try with iTunes 8.2 (beta) ??
Im getting a 1600 error too. How do i fix this? I've tried itunes 7.62 downgrading to 2.1, 2.2.1 customized/original...
Originally Posted by cabex
I also tried on my mac with the new version of itunes attempting to restore those firmswares above with a 1600 error. Im def in DFU Mode.. Im stuck
Please confirm your eMail or contact staff!
How to downgrade 3.0 to 2.2.1, 2.2 ( iTunes 8.2)
1-First download Quickpwn Rc3
2-You also will need 2.0.2 ipsw google it.
Start the Jailbreak process and when the screen turns into White color (Recovery mode) unplug the USB and close Quickpwn RC3, now reconnect iPhone and iTunes 8.2 will discover the iPhone in reovery mode and the screen is still White color ...then Shift+RESTORE 2.2.1 or 2.2
works like a charm .
It is 100% working for me and others ..
Last edited by xtronic; 06-19-2009 at 01:20 AM.
Im going to tell you right now i tried ALL the methods in this forum to restore my phone back to anything < than 3.0 and i FAILED!!!!!!!!! Im praying for a unlock, and a way to roll it back. My phone is a BRICK right now. Damnit
Originally Posted by xtronic
Originally Posted by image
As this poster says, it won't work.
iTunes 8.2, 3.0 final firmware. No method will get it back downgraded on an iphone 3G as of now.
I've tried everything, and it just won't do it.
downgrading from 3.0 to 2.2.1 will give you that 16xx error even if you have your phone in DFU mode.
Follow what xtronic said above, try it and report back.
You need to have the phone in that "white screen" mode for the downgrade to work.
There is another way via irecovery but I am not 100% certain. I don't have my iphone2G with me to do more test.
It is possible to downgrade. The trick is to see that "white screen".
Can you guy tell me if you are using the 3.0 released version or you are using the 3.0beta or 3.0 GM (gold master)
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I also kept getting error 1600 when downgrading from 3.0 with iTunes 8.2
The following procedure worked for me:
+ install iTunes 7.5
+ put phone into DFU mode (screen must be blank!)
+ restore to 2.2.1 => results in error 1601
+ restore to 2.2.1 again without DFU => works!
+ use QuickPwn to jailbreak
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