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When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
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About the battery usage on your iPhone, iPad, and iPod touchCheck battery usage
Go to Settings > Battery.
To see how long each app has been open and running in the background, tap
. Under each app, you might see these usage types:
- Background Activity means that your battery is used while apps run in the background.
- Audio means that apps play audio while running in the background.
- No Cell Coverage and Low Signal means that your device is searching for a signal or being used with a low signal.
- Backup & Restore indicates that your device has been backing up to iCloud or restoring from an iCloud backup.
- Location and Background Location means that your battery was used when tracking your device.
Adjust settings to improve battery life
While viewing your battery usage, you might get a suggestion like Enable Auto-Brightness or Adjust Display Brightness. This is because iOS determined that changing these settings could improve your battery life. You can also see the usage times since the last full charge.
Learn more about maximizing the battery performance and lifespan of your iOS device.
I did this and nothing works. oppening whatsapp for 3 minutes I lose 5% of the battery
Try setting Auto-Lock to a new value.
I found the latest system seemed to have set Auto-Lock to “never” so my IPhone was never timing out and turning power off to the screen.
My point was that the system treated It as if Auto-Lock was Never even though the setting said 5 minutes. Changed the value and the battery drain stopped.
Jeffmic I can confirm this. Turning off iCloud Drive is the fix to the annoying battery drainage that did not start until 11.2.5 upgrade.
That wasn’t the fix in my case. I never had iCloud Drive turned on before or after the update so it made no difference.
The file system conversion should take a couple of hours, but it only runs when the phone is in use or plugged in.
Open Safari, tap on the overlapped squares, and close all of the open tabs by tapping on the "x" on each one. You have open tabs that are auto-updating.
And also clear the Safari website data and cache.
Good point. Thanks for mentioning that.
Very poor reply. The problem as it stands is an Apple issue. Apple need to do something about this. Deleting Apple mail is the next step.
Why such useless replies from Apple???
There has not been a single reply from Apple. This is a user to user forum. Apple does not participate. To communicate with Apple use the Contact Support link at the top of this page.
So you still have 11.2.1 (the subject of this thread). Your phone is 4 versions out of date. Maybe you should update.
Having the same problem. Apple scam, they clearly mess your phone with the current update so you upgrade.
Really??? Just coincidence then? Its strange how older APPLE phones just happen to get slower, battery drains faster etc etc when you update. Last apple product I’ll ever buy.
IOS 11.2.5 battery drain
