Hidden Smartphone Tricks You Probably Didn’t Know You Could Use

To activate it, check your display settings — both Android and iOS have built-in dark mode options, and most apps now support it as well.

For extra eye comfort, try the 20-20-20 rule: every 20 minutes, look at something at least 20 feet away for 20 seconds. It’s a simple way to refresh your vision and prevent tension.

Save Battery and Extend Lifespan

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