BobbX unfortunally I've an issue with my Pixel 9 Pro while running GOS: Around the update from Android 14 to 15, I'm facing Battery Draining Issues.
I have had the opposite happen. My phone's battery is lasting a while longer after the Android 15 update.
BobbX The Battery Manager is turned on.
What is "The Battery Manager"? It might be helpful to know what this is.
BobbX I thought I found the App but everytime I deinstall it or restrict background usage and -data, another App is comming up and draining my battery. At first it was a video app, then Molly, then Brave, yesterday my fitness app, today RethinkDNS...
How are you figuring out which app is causing the drainage? It doesn't make sense that one app would be the culprit then the same exact issue is caused by a completely different app later on.
Another thing you can try if you haven't already is to check which apps are active by swiping down from the top of your screen (to show the notification shade), then again (to show all quick settings tiles), then at the bottom of your screen, you should see some circular icons, one of which will have a number inside. Tap that circle, and you can see which apps are running.