To restore an iPhone 3GS, you need a signed firmware file.Folks at BigBoss are reporting that Apple has stopped signing iPhone OS 3.1.2 from today, which means that iPhone 3GS users cannot restore using iPhone 3.1.2 or older firmware files. They can only restore using iPhone 3.1.3 firmware file.
are screwed and cannot restore anything but 3.1.3.
If you are a jailbreak user running a 3gs or ipod touch 3 (or later generation ipod touch 2) that has (more…)