battery draining like **** in ipad 4 after ios 8.4.1update
I updated my ipad 4 with ios 8.4.1 like a week ago...but the problem started from yesterday. I charged my ipad from 20% to 100% for altleast 6 hrs...and then started playing some heavy games like asphalt 8 and MC5....so after playing the charge was left at 60% at night 11 pm. Today morning at 7 am its showing 22%!!!!!!!..I was like ***....is my battery is dying or something like that..then I put it in charge(at 15%) and after 2 hrs it was 100% which is next to impossible for a battery of 11560 mAh ....so i did a hard reset and then the percentage came back to 55%....I thought it might be some calibartion problem so i did a factory restore...an put it in charge again( at 51%) and again within hours it was 100% but i know actually its not 100%...i googled it ...but got no luck...Any REAL solution will be appeciated other than ios update or tips etc.Thank You
ipad 4th gneration-OTHER, iOS 8.4.1