Won't wake after being put to sleep for more than 30 secs
I have an iPad 2 64GB GSM model that works fine in every aspect except the following:
When the ipad is put to sleep or powered off, you need to do a hard reset to get it to power back on (ie hold the home and power button). THis only happens if it is asleep for 30 seconds or more. If hit the sleep button and wake it 5 seconds later , no problem.
The ipad is 3.5 years old, battery seems to be OK and no other noticeable issues. Started doing this 3 weeks ago. Was running iOS 7 when problem first showed up, upgraded to iOS8 and still has the problem. Tried a DFU restore, no change.
Any advice is appreciated.
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