Why Does My Samsung Phone Battery Drain So Quickly. First my battery had not been charging while I was sleeping. Many smartphones come with a feature call Auto Brightness which your Android phone will automatically set the brightness level by detecting the light condition.
U should understand that is the work of software. For starters its worth using Samsungs built-in optimization feature for giving the S21s battery a quick boost with just a couple of taps. This procedure deletes temporary system files that are no longer neededThese files usually leads to the fact that the Samsung Galaxy S3 Battery runs down quickly.
Switch Off the Auto Brightness Setting.
Know and accept that the battery life of most contemporary samsung phones can be improved by good software optimization via Ota. When the lock screen displays Safe. Identify such apps and limit them to prevent further battery drain. In fact the phone was using more battery then it.
