Discuss Cant leave Black screen/DFU mode after 4.3.3 update at the Redsn0w - Hackint0sh.org; My iphone 3gs was at fw 4.1 . I made a custom 4.3.3 ipsw with ...
Cant leave Black screen/DFU mode after 4.3.3 update
My iphone 3gs was at fw 4.1 . I made a custom 4.3.3 ipsw with snowbreeze 2.7.3 , updated it(added 6.15.00 baseband) and unlocked with ultrasn0w. After some minutes working fine,even made some calls , my iphone entered DFU mode.
I used redsn0w 0.9.6rc16 with ipsw 4.3.3 and selected "Just boot thetered right now". The iphone restarted and worked for some minutes, Then again got into DFU , but this time it is stuck.
Iphone 3gs , BB 6.15.00(ipad) + ultrasn0w unlock 1.2.3 , windows 7 , itunes 10.2.2.14
SHSH avaliable: 4.1 and 4.3.3
What i tried so far:
1) All custom firmwares i have ( 4.1 , 4.3.1 , 4.3.2 , 4.3.3) on itunes , but get error 1600 or 1601, sometimes error 28(most from 4.1 custom). The main problem here i only have shsh for 4.1 and 4.3.3. If i dont use iREB i get error 1600 , if i use it , i get error 1601 after some minutes.
2) Redsnow and iREB. On these 2 , just after the limera1n exploit goes in(1st phase of jb) the iphone supposed to restart , but it dont , it turn off, leaving redsnow on the waiting for reboot screen. So i have to do the manual process to enter DFU so the phone can turn on again.
Most recent Itunes logs (have around 50 lol):
2011-05-17 14:06:57.256 [4668:50c]: restore library built Feb 7 2011 at 06:28:5 - Pastebin.com
2011-05-17 14:10:46.088 [2800:778]: restore library built Feb 7 2011 at 06:28:5 - Pastebin.com
2011-05-17 14:11:30.365 [2800:778]: restore library built Feb 7 2011 at 06:28:5 - Pastebin.com
2011-05-17 14:20:17.721 [3264:410]: restore library built Feb 7 2011 at 06:28:5 - Pastebin.com
2011-05-17 14:22:39.628 [4788:a98]: restore library built Feb 7 2011 at 06:28:5 - Pastebin.com
2011-05-17 20:08:47.155 [412:78c]: restore library built Feb 7 2011 at 06:28:58 - Pastebin.com
2011-05-19 01:17:15.416 [5868:fac]: restore library built Feb 7 2011 at 06:28:5 - Pastebin.com
2011-05-19 01:27:39.366 [5372:10f4]: restore library built Feb 7 2011 at 06:28: - Pastebin.com
2011-05-19 01:28:58.890 [6044:1068]: restore library built Feb 7 2011 at 06:28: - Pastebin.com
Main problem i suspect: the iphone cant reboot properly after the limera1n exploit , so it stays off after injecting. This way it cant install any custom ipsw to revert this status.
Try a different machine, different USB cable, a USB hub. Forget iREB - it just hides real errors.
Originally Posted by aerus
1600 generally means you are trying to restore a custom IPSW when the phone is not in pwned dfu mode.
Stuck in DFU mode sugests you have not managed to flash the correct SHSH signed NOR images. Your log files suggest that iTunes is retrieving a SHSH blob, no idea if it is a valid/complete blob though
Last edited by Olethros; 05-25-2011 at 09:39 PM.
Please read the stickies & search forum before posting! How to report an iTunes restore/update fail in a useful manner
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I had the same problem when i try to downgrade my iphone 3gs from 4.3.3 to custom 4.1 at first i thought i bricked it when it was stuck in DFU Mode which is a complete black screen. But yet each time i connect it to my pc i hear a sound that indicates a usb is connected but nothing shows up on the task.
Hold down the Sleep + Home button for 5 secs
Then quickly tap on the Sleep button again.
Should boot normally now...
it didnt work...
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