Battery Saving Tips
Your iPhone’s battery life is going to depend on how you use it. Any one of these tips will help, but the more of them you use, the longer your battery will go between charges.
Keep your iPhone out of the sun. This is one of the most important things you can do to conserve battery life. Heat will affect your battery the most, so try not to leave it in any hot places, like your car’s glove box.
Try reducing the screen brightness. The screen is one of the main sources for drawing power. If you reduce the brightness, the iPhone will use less battery power. You can do this from the Settings screen.
Turn off Wi-Fi and Bluetooth, ...
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