How To Check If Iphone Battery Needs Replacement. To check your iPhones battery health go to Settings Battery Battery Health. That features also recommends if you need to replace a battery.
An iPhone 4S battery can be swapped out by almost anyone in about 10 minutes while an iPhone 7 can take an hour or more if you go whole-hog and replace the waterproof adhesive liner when youre done. Tap on Battery Health. The iPhone settings way.
Find your iPhones battery health features in Settings Battery Battery Health.
With the recent talks on apple slowing down old iPhones with worn batteries this video explains why lithium ion batteries go bad in the first place it expl. In most cases a swollen battery creates a hazy white screen that separates the phone body and the screen. Towards the top of the screen youll notice the Maximum Capacity section. How to check if your iPhone battery needs replacement.
