原帖由： iMedic ,
Sounds like it's been through a lot. Also sometimes when fixing a phone that worked perfectly broken, breaks more after repair. Here, try some of these Install the latest version of iTunes. Restart your computer. Check for updates to your Mac or PC. If you restart your computer for an update, check for updates again after you restart. Try to restore your device using another USB cable. Try to restore your device on another computer. Force your device to restart.