The easiest way to free up memory, close all running programs, and clear up some bugs on an Android phone is to turn it off and turn it on again. But while my old cellphone could go from off to on in ...
Android phone battery life often feels unpredictable, even on newer devices with larger batteries and efficient chips. One day your phone lasts until bedtime, the next it struggles past mid-afternoon.
Updating your Android phone is a necessary evil to make sure the operating system is up to date and safe, but make sure you do these two things.