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Your screen is always extremely bright
Your screen is always extremely bright

Gone are the days of tiny phone screens, but before you give the thumbs up emoji, understand how the bigger screens of today can be a phone battery’s worst enemy, according to Moore-Crispin. Make sure you turn on adaptive brightness in the display menu. This change means your phone will automatically adjust the screen brightness to match your environment. As a bonus, set the brightness level to the lowest possible and lower your screen’s timeout, which is what determines how long it stays lit before fading when it goes idle.