iOS 15.3.1 battery drain
Any one else having issues with battery/power since this upgrade?
Getting repeated shutdowns, even after the performance management is applied
[Re-Titled by Moderator]
iPhone 8, iOS 15
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Hello,
It seems like perhaps your battery health is getting low. With any new version of iOS there are always maintenance and re-indexing tasks to be performed. It should settle down in a few days.
These are the standard steps for short battery life:
1) Go to Settings > Battery > BATTERY USAGE BY APP to see the apps that are consuming your battery.
2) Check “Battery Health” in the link:
iPhone Battery and Performance
3) If all else fails, consider a battery replacement:
Good luck.