I have upgraded to 1.1.3 and I don't think it was worth it. If I wanted to go back to 1.1.2, can I just restore it to the 1.1.2 firmware and use ZiPhone.
In iTunes with the iPhone plugged in press and hold 'Option' (Mac) or 'Shift' (Windows) and click 'Restore'. Select the firmware you downloaded earlier to restore it.
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