The new firmware version 1.1.1 from Apple for Iphone can render the phone unusable, where the upgraded software will check for iPhones that has been hacked or unlocked illegally, and kill the phone, effectively turn iPhone into useless non-functional iBrick. Thus if you have unlocked the SIM lock of the phone for use on a carrier other than AT&T especially those users from out of US such as Asia and Europe, and have jail broke and hacked the iPhone to install third-party programs and apps, you will never want to upgrade to fw 1.1.1, yet.
Sometimes, due to some issues or troubleshooting requirement, you may need to restore iphone. However, you also have to avoid or bypass firmware update 1.1.1 and only restore using version 1.0.2 instead. In this case, follow the steps in the following guide to restore the iPhone using firmware 1.0.2.
Well, the steps are actually pretty similar to ,Iphone
- Turn off iPhone – Hold down the Sleep/Wake button for a few seconds until the red slider appears, then slide the red slider. Ignore this step if your iPhone is already off.
