The update to iOS 13.5.1 apparently causes some iPhones to drain the battery much faster than usual. The problem may have existed since the previous update. Until Apple releases version 13.6, affected users can try to help themselves.
In Apple's official forums and other places on the Internet, complaints from iPhone users are increasing, since the latest update the battery life of your device would have deteriorated significantly. Some sufferers also report that the system has also displayed a few percent deteriorated battery status since the update. According to "ZDNet" the error came with the update to iOS 13.5.1 two days ago. "iPhone Ticker" wrote about a month ago about similar problems that many of its readers noticed after installing iOS 13.5.
Background update issue
So the bug may have existed for a long time, but only leads to battery problems when updated. Either way, it seems to be a bug that causes one or more apps to be running in the background. And that is even the case, even though he has deactivated the background updates, "iPhone ticker" quotes a Twitter user. It obviously doesn't matter whether the apps are used at all. According to "iPhone-Tricks.de", several widespread applications have been innocently suspected, including Skype, Dropbox and messaging apps. Siri is often mentioned in forums and comment columns as a battery killer.
You can easily determine whether your own device is affected by looking at the settings below battery determine. Among other things, the apps are listed there according to their share of power consumption. Above the list is on the right Show activity. Tapping on it shows how long an application was active in the background.
Wait or tinker
Because even deactivating the background update does nothing, "ZDNet" comes to the conclusion that one can only wait for iOS 13.6, which is fortunately already in an advanced beta phase. If you don't want to be satisfied with it, you can at your own risk and after a backup try out a workaround that according to "iTopnews" could help.
First deactivate in the battery settings under Battery condition the option Optimized battery charging. Then you connect the iPhone to the computer and put it into recovery mode. Apple explains how this works with different models and operating systems on a support page.
In iTunes or in the Finder you then click on the iPhone icon and choose To update out. Then you should charge the device overnight or at least for a longer period of time.
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