iPhone 7 on iOS 10.1
This was last night, phone just went down to 49% when I took the first screenshot and I straight after locked the phone.
This morning as soon as I unlocked the phone I took the second shot, look at how much usage and battery overnight without the phone being touched.
This is getting to annoy me now as this is my 4th iP7, 1st one the screen went mad with lines on it, 2nd had a really uneven screen, dark on left side, 3rd had touch problems and now this. I don't really want to do a DFU restore as I have nearly 200gb of music on it.
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That's this usage looks very similar to my usage. But I use an app that monitors my sleeping. When I don't use that app I wake up with about a 3% drain. What's using your phone while your sleep.