iphone drains battery even when not in use.
Hi everyone! my iphone's battery life turns out to perform unwell and idont know why. But b4 it happened, I was using my phone at dawn 3am then fell back asleep, without locking the phone so i waked up at 9am, My phone gets very very Hot. then i charged it but i noticed starting on that day upto now my phone always get very very HOT and DRAINS battery life even when not in use.,, And by the way im using ios11.2.5 tried all those battery saving tips but still wont work on my case.
iPhone 5s, iOS 11.2.5