Yesterday I upgraded my iPhone 3GS (new bootrom) to a custom firmware 4.3.3 by sn0wbreeze. I also upgraded my baseband to 6.15.00 ipad baseband. For baseband update I used Redsn0w and for custom firmware restore I used iReb to enter pwned DFU mode then restored it with itunes.
After this the restore went on smoothly and my iphone was jailbreaked. After the first restart I saw that I had to do a tethered boot. I did the tethered boot few times through Redsn0w and all was well.
Then after an hour my phone suddenly konked off (poweroff). I tried to connect my phone to the PC for tethered boot but what it does is as follows:
The normal sequence is, it will upload the exploit and then it reboot the phone, but what my phone does is it shuts down my phone n doesn't start. I can see and hear in device manager and also the USB disconnect sound that it has disconnected, but it never ever starts back.
I have tried restoring it again by pwning it through iReb and Redsn0w for a custom restore but in iTunes too while preparing for restore it just shuts down the phone. I have tried using fixrecovery, greenpoison, redsn0w, itunes etc etc but all of them just shuts it down. Then I have to do a reset i.e. pressing power and home for 10 secs, to bring my phone again to DFU.
has anyone been through this problem ? Please help.
Try the process again, but first open tiny umbrella, click on advanced, deselect the box that says "set hosts to cydia on exit". Click apply and close tiny umbrella. Then try to restore to the custom 4.3.3 firmware again.
It should be untethered so you dont need to boot tethered, you may have just had a SHSH issue if your hosts were not pointed to Apple.
Ya try again with redsnow, just choose the option to enter pwned DFU. If iTunes still gives you issues try another computer or you can try uninstalling then reinstalling itunes.
If you have shsh blob lower than 4.2.1 for your iphone, try restoring to stock firmware either by pointing hosts file towards cydia or using tss server ( with downloaded shsh blob on your computer ) to get your iphone back to working condition before any kind of jailbreak.
You willl encounter error 1015 but you can kick it out with the tools you have.
i've got the same problem! i've got a iPhone 3gs with new bootrom and firmware 4.3.3 but it has issues with powering on!
When restoring the phone shuts itself down (preparing for restore in iTunes) but it won't reboot to complete the restore process. I've really got no idea what to do!
Tried on different pc and macs, in pwn dfu mode but still nothing.
Sometimes when i push home+power button for 10 sec, the phone boots fine and everything is working! but when it comes to restore or a reboot or even manually turning on the phone it doesn't respond!
If you are restoring to stock 4.3.3, you don't put your iphone into pwned dfu, just the normal recovery mode ( USB itunes cable ), make sure you point your hosts file towards apple server by deselecting : set hosts file towards cydia in TU and close it. This will allow you to restore to stock 4.3.3 ( baseband will be updated )
No i've tried it in pwned dfu mode normal dfu mode. With stock firmware and with custom firmware. this is how it goes everytime:
iTunes recognize the iphone in dfu mode (or recovery mode)
i restore the iphone to stock 4.3.3 (sometimes it says: this device isn't eligible.... | but after removing server in hosts files it's fine)
Then iTunes tries to reboot the iPhone (preparing the iphone for restore...) but the doesn't turn on again! it just doesn't do anything!
at last you get a error 1601
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3GS stuck in DFU
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