No matter how good new iPhone models get, battery life is always a problem.
Here are some tips to squeeze the most out of your iPhone's battery.
Turn down your brightness.If you're desperate, you can turn your screen's brightness all the way down. Swipe up from the bottom of your home screen. Then move the brightness slider all the way to the left.
You can also turn on auto-brightness.
Auto-brightness will help save a lot of battery life too. Your screen will adjust to the proper brightness based on how bright your environment is.
Go to Settings > Display & Brightness and flip the switch to green.
Turn off Bluetooth.
Bluetooth doesn't use a ton of power, but turning it off can save you some battery life in the long run. Swipe up from the bottom of your home screen and tap the Bluetooth symbol to switch it off.
Turn off 4G LTE.
4G LTE may give you zippy download speeds, but it can also be a battery hog.
Turn off LTE by going to Settings > Cellular > Enable LTE and switching it off.
Check which apps are using the most battery power.
If you have the latest version of the iPhone software, iOS 8, you can check how much battery power each of your apps are using.
Go to Settings > General > Usage > Battery Usage to get a look. If you notice an app is sucking up a lot of power and you don't use that app very much, you might want to check your settings and make sure it's not running in the background. (See next slide.)
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