Have you tried the volume method? I have had the issue with the endless boot issue and was able to resolve the issue by following these steps. NOTE: my idevice was NOT jailbroken when doing this. REBOOT LOOP http://www.iphonehacks.com/2013/02/fix-endless-reboot-loop-problem-jailbroken-iphone-ipad-ipod-touch.html RECOVERY LOOP http://www.hackurideviceblog.com/2013/03...-to-fix-recovery-loop-on-any-iphone.html Let me know thanks!