4 quick software tweaks to extend your phone’s battery life by 30%

4 quick software tweaks to extend your phone’s battery life by 30%

Modern smartphones don’t run out of juice midafternoon because their batteries are defective. They run out because dozens of invisible background services are constantly running full throttle in your pocket. Apps are pinging GPS satellites, pulling fresh data over weak cellular connections, and redrawing high-resolution screens 120 times per second. If your charger’s at home on the counter, alone and forgotten, you don’t need to put your phone i…