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Can I install iOS4 on already jailbroken & unlocked 3GS?

W

warpath

macrumors newbie
Original poster
Jun 25, 2010
5
0
Berlin
I have:

  • iPhone 3GS
    Modem Firmware: 04.26.08
    iTunes 9.2
    Version 3.0 (7A341)
    Already jailbroken
    Already unlocked

Can I simply install iOS 4 or do I have to re-jailbreak and re-unlock?
 
warpath said:
I have:

  • iPhone 3GS
    Modem Firmware: 04.26.08
    iTunes 9.2
    Version 3.0 (7A341)
    Already jailbroken
    Already unlocked

Can I simply install iOS 4 or do I have to re-jailbreak and re-unlock?
Click to expand...

I have the same setup. Right now I'm buiilding my new ipsw with pwnage tool. First time pwnage failed to build the ipsw. Trying again.
 
You can upgrade with a custom firmware made with PwnageTool. You must be sure not to upgrade to the official 4.0 firmware, only to a pre-jailbroken custom one.
 
scirica said:
I have the same setup. Right now I'm buiilding my new ipsw with pwnage tool. First time pwnage failed to build the ipsw. Trying again.
Click to expand...

Ok. Unlocking and Jailbreaking the first time (nearly a year ago) seemed much easier. To be frank, I don't even know what you mean by "ipsw" but I'll take your word for it. I'm not very bright so anyone who could handhold me with some step-by-steps for my current configuration would be much appreciated. :)
 
Imsuperjp said:
Ultrasn0w doesn't jailbreak your phone. It unlocks a jail broken phone
Click to expand...

Ok then I think I used Redsn0w or the jailbreak tool at the time from the iphone dev team. I'm 90% sure I didn't use Spirit. Again i hacked it nearly a year ago.
 
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