Here are the steps to take if you need to restore your iPhone with DFU mode.

In the past couple of days, we've seen reports here and there of iPhones getting stuck in a restart loop. The black screen with the Apple logo shows up, holds for a while, and then disappears again; ...

[UPDATE] Evan Osnos tweets that he is now restoring iPad via DFU mode. DFU stands for Device Firmware Update. It is somehow related to Recovery Mode but is one's best chance to get out of more ...