Apple has published a freshly updated support document in which the company offers tips on how to maximize battery life on an iPhone. By Detailed paper It also explains how to check the current capacity and determine which apps are particularly power hungry.
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iPhone suggests itself
iOS now offers so-called battery suggestions in the “Battery” section of the system settings. If the function is not already activated, you are advised to do so Automatic brightness adjustment Activate, leave automatic device lock active and, if necessary, lower the screen brightness and allow apps to access location in the background impose restrictions if necessary,
However, it is even more interesting to check the information determined by the device, which is possible in the system settings in the same place as the activity diagram. Among other things, the activity time of the screen is recorded there, the app with the highest power consumption is displayed and the consumption history over a longer period is displayed. Problems such as background activity and poor reception (which can drain the battery) are also listed.

If nothing helps, then the battery needs to be replaced
Other tips from Apple relate to network connections (always use WiFi if possible), battery life after the update (it may be reduced initially over several days as system processes have to finish) and use of the device. power saving modeWhich is offered automatically when the battery life is less than 20 percent. It is also important to keep an eye on the basic condition of the battery.
This can be seen in the system settings under “Battery” and “Battery status” (from iPhone 15) or “Battery status and charging” (iPhone 14 and older devices). Apple writes, “If ‘Service’ is displayed next to ‘Battery Health’, you should consider replacing the battery to restore full performance and capacity.” The company lists prices for this on Apple itself in its service portal. Mac & i explains in their article how you can replace your iPhone’s battery yourself if necessary.
(B.Sc.)
