iOS 9.3.5 drained battery

I've updated the 4S of my wife and my own SE for this latest version. The next morning, the two phones have completely drain the battery.

Is this related?

Both phones are very little used. My wife phone normally last 3 days & my SE 5-6 days. Both had about 70% charge when updated.

If this battery drain continues I'm back out the update.

I have the same problem on my self. I've updated, went to sleep and the next morning, it was completely empty. Now, I have it on battery saving mode, and he would still (in 4 hours, I do not use it at all, and none of the applications are run background for sure) from 100% to 49%. Once in a while it is still warm. I can not use it even now as the battery drains within a few hours on the stand, cannot even imagine what happens if I use it. It's crazy and frustrating!

Tags: iPhone

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