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iPhone 3G/3GS Unlock Software

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You cannot use JailBreakMe method to jailbreak and unlock iOS 4.0.2 on iPhone 3G. However you can still jailbreak and unlock iPhone 3G using redsn0w. Here are the instructions:

  • Download the latest RedSn0w 0.9.5-b5 in our utilities page here.
  • Download firmware images for iOS 4.0 here.
  • Run RedSn0w and point it at the 4.0 IPSW. (Yes – point it at the 4.0 IPSW even though you’re at 4.0.2). This will also hacktivate your iPhone3G at 4.0.1 if you haven’t already been activated by iTunes.
  • If you need a carrier unlock – install ultrasn0w in Cydia (add repository http://repo666.ultrasn0w.com). For T-Mobile in the USA remember to turn off 3G mode in Settings→General→Network.

Having problems activating your iPhone? Don’t have original SIM-card? Cannot get passed emergency unlock screen? We have a solution:

If you have iPhone 3G, just use redsn0w to jailbreak and hactivate. If you have iPhone 3GS or iPhone 4 follow these instructions:

If you are already Jailbroken:

So you have an iPhone with iOS 4.0, but don’t have the original SIM and stuck on the Emergency Call Screen:

  1. Download ifunbox software (download link)
  2. Run ifunbox software and sync with phone
  3. Go to /private/var/root/Library/, delete original lockdown folder and put this lockdown folder after you extract it from the zip file
  4. Restart phone

If you are not jailbroken:


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DevTeam finally released iPhone 4 unlock software. The new version 1.0-1 of ultrasn0w now works for:

  • iPhone4 baseband 01.59
  • iPhone 3G/3GS basebands 04.26.08, 05.11.07, 05.12.01 and 05.13.04

To install run Cydia and add the repo:  repo666.ultrasn0w.com

MuscleNerd tweeted today that the recent redsn0w utility is able to jailbreak the iOS 4.1 beta2 on iPhone 3G and iPod Touch 2G. This is useful for developers only, however good news for everyone.

Here’s some info from the DevTeam wiki page:


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There is no official jailbreak utility for iOS 4.0.1. However you can still jailbreak and unlock iPhone 3G. Just do the following:

  • Download the latest RedSn0w 0.9.5-b5 in our utilities page here.
  • Download firmware images for iOS 4.0 here.
  • Run RedSn0w and point it at the 4.0 IPSW. (Yes – point it at the 4.0 IPSW even though you’re at 4.0.1). This will also hacktivate your iPhone3G at 4.0.1 if you haven’t already been activated by iTunes.
  • Install ultrasn0w in Cydia (add repository http://repo666.ultrasn0w.com) if you need a carrier unlock (and in the USA, remember to turn off 3G mode in Settings→General→Network).