Just like we provided you with the list of custom IPSW for iPhone 2G and iPhone 3G users, this time we would like to share custom IPSW of firmware 3.1 for iPhone 3GS users as Dev-team seems to have no plans for releasing PwnageTool 3.1.3 for Windows users. You can unlock and Jailbreak your iPhone 3GS with this custom IPSW while preserving your baseband.
Only users with a previously Jailbroken iPhone 3GS (on an old firmware) should download custom IPSW as it does not work for those who have an iPhone 3GS with Firmware 3.1 out-of-the-box
Join the three parts using HJSpilt to get iPhone2,1_3.1_7C144_Custom_Restore
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