iPhone and Android: How to make your smartphone's battery last longer - USA TODAY

We'll start with a couple of possibly mind-blowing tips: Stop charging your battery to 100% once a day and closing or refreshing idle apps.

Most of us are doing at least one thing a day that shortens the lifespan of our favorite gadgets – without even knowing it. Take smartphones for example. 85% of Americans keep one on them constantly,… [+8851 chars]

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