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Jailbreak iOS 4.0 GM on iPhone 3G S

This is a guide to jailbreak iOS 4.0 GM on iPhone 3G S. Be aware that you need to possess an iPhone developer account to download and install iOS 4.0 GM, or you can join our beta tester team here. Make sure your device’s UDID is registered before going further.

Things you will need:

- This special version of PwnageTool: http://www.megaupload.com/?d=RHDNAWT6
- A device with a registered UDID: you can register it here
- iOS 4.0 GM for iPhone 3G S firmware (iPhone2,1_4.0_8A293_Restore.ipsw)
- iTunes 9.2 Beta
- a macintosh computer or hackintosh (PC running Mac OS X 10.6.3)

Download the firmware (iPhone2,1_4.0_8A293_Restore.ipsw) and place it on your desktop.
If you have a BOOTCAMP partition, please eject it or PwnageTool won’t find the ipsw.
Create a custom ipsw using the following instructions:











You need to be on a jailbroken iPhone before proceeding which has been Pwned.
Then just restore the custom firmware your created in iTunes 9.2! Tada!

Add the following source to cydia: http://apt.saurik.com/cydia-3.7

Interesting app to install: AppSync 4.0 ;)

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  • http://beginnerpc.com/2010/06/08/jailbreak-ios-4-0-gm-on-iphone-3g-s/ Jailbreak iOS 4.0 GM on iPhone 3G S | BeginnerPC

    [...] Read the rest here: Jailbreak iOS 4.0 GM on iPhone 3G S [...]

  • Albert

    JB can not work

  • Solo

    Does not work, at least for me. It gets stuck on the screen that says to Connect USB Device and wont go anywhere.

  • Guest

    if you're stuck on that screen, reboot with blackra1n and it should work. i couldnt get cydia onto my device which was annoying

  • Sundown

    Above article only works on iPhone 3GS with old bootrom.
    New bootrom devices will get 16xx error, iPhone hangs at recovery mode screen.

  • Sundown

    Above article only works on iPhone 3GS with old bootrom.
    New bootrom devices will get 16xx error, iPhone hangs at recovery mode screen.