How to fix iOS 11 battery exhausted: 10 tips
Upgrade iOS
If iOS 11 is the root cause of your problem, please abandon iOS 11 by upgrading to the latest version that your phone can run. All new versions of iOS are free, and Apple publishes it several times a year, so you should choose it regularly. When you want to upgrade, you only need to decide whether to upgrade via wireless or iTunes. Need to upgrade your iPhone OS, but received an error saying that you don't have enough free space to do this? Solve the problem by prompting you how to update your iPhone when you don't have enough space.
Check battery usage statistics
Apple knows that people care about getting the best battery life on their phones, so it builds tools in iOS that let you know what is the most powerful feature. Go to Settings > Battery to see the apps and features that used the most power in the past 24 hours and in the last 7-10 days. Uninstall the most used apps.
Update application
Just as an error in the operating system can cause problems with the iPhone battery, errors in the application installed on the phone may have the same effect. These errors are usually resolved when developers release new versions of their applications. You can resolve the issue by going to the App Store app > Updates and updating all apps to the latest version.
Check battery health
After controversy about Apple's "restricting" the speed of user phones to extend battery life, the company added battery health features on iOS to give you an idea of the health of the battery. Find it in Settings > Battery > Battery Health. This screen will tell you if the battery is in good condition. On some models, you can change the settings to adjust the phone speed and battery life.
Turn off background data refresh iOS will understand your habits – for example, when you want to check email or social media – then update your app in the background so they always have the latest information waiting for you. This is smart, but it can also cause iOS 11 battery problems. These features are disabled to save power by going to Settings > General > Background application refresh > Background application refresh > Off.
Set up email to get instead of pushing
Another example where your iPhone is trying to do something smart behind the scenes can drain the battery is checking email. If your iPhone is set to "push" emails from the server when new messages appear, the battery may run out quickly. Please set your mail app to "extract" emails on a regular basis. Go to Settings > Passwords and Accounts > Get New Data > Choose Manual, Hourly, Every 30 Minutes or Every 15 Minutes.
Restart your iPhone
iOS 11 battery problems are almost always caused by software problems, whether you believe it or not, many software problems can be solved by a simple restart. Restarting the phone will also restart its software. This is fast, so it's worth a try.
Restore your iPhone to factory settings
If there is no work so far, your battery is still running out faster than it should be, then it's time to try a more intense step. Restoring the iPhone to factory settings will return it to its original state of use. This is a great way to try to correct any software issues you haven't solved yet. Restoring factory settings means you will remove everything from your iPhone. Be sure to have a good backup before you do this to ensure that no valuable data is lost.
View more than 20 iPhone battery tips
As mentioned earlier, there are dozens of things that can cause the iPhone battery to consume more than expected. We can't list all of this in this article, but we do have an article that provides 30 tips on how to get more power from your iPhone battery.
Contact Apple for more help
Even after this, still encounter battery problems? The problem may be hardware in the iPhone, not software. The best way to solve this problem is to get support from Apple to determine if there is a hardware problem and how to fix it if it exists. Learn how to make an Apple Genius Bar appointment for technical support.
If it turns out that you only use your iPhone regularly, consider purchasing an external battery to ensure that you never run out of power.
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