Hi, guys!
I have a 3gs 16gb, with a custom(pwnage tools) firmware, old bootrom, old baseband!
My problem is that the phone suddenly enter in some sort of a recovery loop! I can't rewrite the firmware, itunes always keeps showing me the 1600 and 9 errors. 1600 when I try to put any firmware in Recovery mode and 9 when I try to put any firmware in dfu mode! Tried the redsn0w 0.9.4, sn0wbreeze, pwnage tools, blackra1n. Nothing helped. Tried several computers macs/pcs. Nothing helped!
I need your advice, what should I do??

put your phone in RECOVERY mode, and restore with custom firmware created by pwnagetool.

You cannot use custom firmware in DFU mode.

In DFU mode, you can only restore with current signed firmware 3.1.3 . This is something you want to avoid because it will update your baseband hence cannot be unlocked.

I already wrote that in Recovery mode I get error 1600! And in DFU 9... I read that my problem is a recovery loop or apple logo loop, and I don't know how to fix it, since I with an 3gs and ireb doesn't give solutions to this problem!!

Originally Posted by vladic007

I already wrote that in Recovery mode I get error 1600! And in DFU 9... I read that my problem is a recovery loop or apple logo loop, and I don't know how to fix it, since I with an 3gs and ireb doesn't give solutions to this problem!!

If it's a 3GS and you have the old bootrom, understand that in DFU mode you still CANNOT restore a custom firmware (PwnageTool modified) on the 3GS. You MUST do it in restore mode. You didn't mention whether you were using a custom firmware or original firmware when trying to restore. Which were you using?

What firmware are you currently running? Do you have a 3.0/3.1.2 SHSH on file?

I've got an old bootrom with no SHSH for 3.0/3.1.2 saved! Officialy locked phone. I tried to restore several firmwares, custom ones made in pwnagetools, original ones (3.1.2/3.1.3), each one in dfu/recovery mode! Nothing helped! Tried iReb to fix recovery loop, neither that helped!! Don't know what to do!

Currently it's an 3.1.2 custom firmware made in pwnage tools!

Try doing the same thing on a different computer.

already! On several computers! used sn0wbreeze and pwnagetools

Can you launch iRecovery -s and post the output?
In case kernelcache got somehow fucked, try
iRecovery -u kernelcache.release.s5l8920x
iRecovery -c bootx
use kernelcache.release.s5l8920x from pwned 3.1.2 ipsw.

Also you can chain-boot to a patched iBEC to see how kernel boots in verbose mode; maybe it cannot fsck or something? Although then it won't be a recovery loop, but a boot loop..

Originally Posted by msft.guy

Can you launch iRecovery -s and post the output?
In case kernelcache got somehow fucked, try
iRecovery -u kernelcache.release.s5l8920x
iRecovery -c bootx
use kernelcache.release.s5l8920x from pwned 3.1.2 ipsw.

Here you go: http://img192.imageshack.us/img192/3610/ipro.jpg

Originally Posted by msft.guy

Also you can chain-boot to a patched iBEC to see how kernel boots in verbose mode; maybe it cannot fsck or something? Although then it won't be a recovery loop, but a boot loop..

Can you explain a little bit more detailed because I don't understand what you're asking me to do!