How to Recalibrate the iPhone Battery
Battery life not the same on your iPhone? It also explains the old style of battery calibration. If you dont haveiOS 14.5or newer, youll have to patch your operating system before using this tool. Heres how to use the iPhone battery recalibration tool: From the home screen, tapSettings. In the controls menu,scroll down. Look forImportant Battery Messageat the top of the display for information about the battery recalibration process on your phone....