I have an iPhone 3GS running on 4.0.1 and I want to upgrade it to 4.2 with my Mac. How can I go about doing this?
- Current Version: 4.0.1 (8A306)
- Model: MB7...
- Modem Firmware: 05.13.04
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Sign up to join this communityThere is nothing special to upgrading when jailbroken or not. You must use the official upgrade path which means losing unlock and jailbreak, and then re-jailbreak and re-unlock if you want and if it is possible with the new firmware. So...