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Old Nov 15, 2009, 11:12 PM   #1
enochpeng
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Unlocked 3GS won't turn on after Cydia update~ Help needed!

Thank you for taking your time to view my post and possibly helping me!

My phone is about a month old and it's a Rogers iPhone 3GS 16GB

I jailbroken it using Dev-Team's method and than unlocked it using blackra1n.

Last night, I did a complete update in Cydia, and was told to reboot the device, I did so.

After that, my iPhone will only stay on the Apple logo screen for 10-20 second, and then shuts itself off again. I tried to reboot more than 30 times and tried to connect to my mac, same story......

Is there anyway I can restore it w/o the need to see it in iTunes??

I'm so upset now.... So any input or tips would be much much appreciated~!

Thanks everyone again!
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Old Nov 15, 2009, 11:15 PM   #2
jmann
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Did you update mobile substrate? That has been causing problems with people. I would suggest restoring the phone in iTunes and rejailbreaking it. Is there a reason you don't want/can't use iTunes? It is required to do a restore.
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Old Nov 15, 2009, 11:19 PM   #3
enochpeng
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Quote:
Originally Posted by jmann View Post
Did you update mobile substrate? That has been causing problems with people. I would suggest restoring the phone in iTunes and rejailbreaking it. Is there a reason you don't want/can't use iTunes? It is required to do a restore.
Thanks mate, pardon me I didn't describe it clearly.

My phone won't even turn on now, will only stay on the apple logo screen for a while. So essentially I can't connect it with iTunes...

any idea?
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Old Nov 15, 2009, 11:35 PM   #4
bytethese
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You might have an iPhone with the updated iBoot, which means you can only do a teathered jailbreak. Check to make sure.
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Old Nov 16, 2009, 12:24 AM   #5
enochpeng
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Quote:
Originally Posted by bytethese View Post
You might have an iPhone with the updated iBoot, which means you can only do a teathered jailbreak. Check to make sure.
Thanks for your help, but how can i do so? and does it require the iphone to been seen in iTunes and connected to the computer or completely turned on...
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Old Nov 16, 2009, 07:01 AM   #6
iPhone-power
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Quote:
Originally Posted by enochpeng View Post
Thanks for your help, but how can i do so? and does it require the iphone to been seen in iTunes and connected to the computer or completely turned on...
You put the phone in DFU mode

Here is a thread on how to check

Don't forget about Google
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Old Nov 24, 2009, 12:53 PM   #7
lucyg
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help!!!

Quote:
Originally Posted by enochpeng View Post
Thank you for taking your time to view my post and possibly helping me!

My phone is about a month old and it's a Rogers iPhone 3GS 16GB

I jailbroken it using Dev-Team's method and than unlocked it using blackra1n.

Last night, I did a complete update in Cydia, and was told to reboot the device, I did so.

After that, my iPhone will only stay on the Apple logo screen for 10-20 second, and then shuts itself off again. I tried to reboot more than 30 times and tried to connect to my mac, same story......

Is there anyway I can restore it w/o the need to see it in iTunes??

I'm so upset now.... So any input or tips would be much much appreciated~!

Thanks everyone again!

Please let me know if you were able to fix it and how. I had the exact same problem.
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Old Nov 24, 2009, 03:54 PM   #8
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Please let me know if you were able to fix it and how. I had the exact same problem (You and everyone who has purchased a new 3GS in the last 4-6 weeks or so).
There is no fix for this. For the new bootrom the jailbreak is a tethered jailbreak. It requires a computer, USB cable and copy of Blackra1n to restart or reboot every time !
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