You should change this one setting on your iPhone if you want better battery life

• Adjusting your iPhone's "Background App Refresh" setting can help you save battery life and data.
• Background App Refresh is a feature that enables apps to update with new information in the background.
• You can turn the feature off, only enable it when you're connected to a Wi-Fi network, or only apply it to specific apps.
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Considering we rely on our smartphones for just about everything - from getting directions to listening to music and answering work emails - your phone's battery life can never last long enough.

If you find that your iPhone's battery life isn't meeting expectations, try managing the way your phone is refreshing apps in the background. Not only will it preserve some battery life, but it will probably cut down on your data usage too.

There are many adjustments you can make to save battery life: lowering the screen brightness, turning off location services for certain apps, and disabling push notifications for some apps are all great examples. You can also put your phone in Low Power Mode if you're low on juice, which reduces features like "Hey Siri" and automatic downloads among other features and pauses backing up your photos to iCloud.

But making changes to Background App Refresh can help extend battery life without sacrificing much functionality.

Here's a look at the various ways you can tweak the Background App Refresh setting on your iPhone to extend its battery life and preserve data.