I'm experiencing the same battery drain in my 5. I plugged into pc to save photos and another update was detected. I was going to backup so I could do a Firmwa

I'm experiencing the same battery drain in my 5. I plugged into pc to save photos and another update was detected. I was going to backup so I could do a Firmware reset as Apple Store tech suggested. I can't tell if battery improved yet but the other problem from 10 update seems to have corrected, reduced sensitivity to touch. Touch sensitivity is improved noticeably. Hope battery is too.