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Here are some things you can do to save your mobile battery life and extend the lifespan of your phone battery problem.
1. Turn off background apps
2. Turn off location services.
3. Turn On Power Saving Mode
4. Use Airplane mode
5. Turn your screen's brightness down
6. Let your phone go to sleep faster
7. Turn On Power Saving Mode
8. Rethink Wallpaper and Widgets
9. Switch to the Dark Side
10.Turn Off Automatic Wi-Fi