2 and a half years old S10+ Snapdragon with Canada firmware and some tweaks using abd. Disabled battery optimization for all apps one by one and then manually enabled for a few
How to use Android Marshmallow battery optimization? - Android Guides
How to Optimize Battery on SAMSUNG Galaxy S21?, how to - HardReset.info
Galaxy Battery - Optimization
11 Ways] How to Fix Samsung S21/S22 Ultra Battery Braining Fast?
Galaxy Battery - Optimization
After battery optimisation, what's your average SoT on the S21 Exynos? : r/GalaxyS21
Galaxy S21/Ultra/Plus: How to Enable/Disable Apps to Optimize Battery Usage - YouTube
Galaxy Battery - Optimization
How to turn off battery optimization on the Google Android 6, 7 and 8 devices | Android - FAQ
How to Optimize Battery on SAMSUNG Galaxy S21?, how to - HardReset.info
I had turned off battery optimization because my notifications would be delayed. Signal seems to be running in the background a lot and consuming battery. : r/signal
Android 11 Battery Optimization and Samsung Sleeping Apps – HomeGauge Support Center
3 Ways To Improve Samsung Galaxy S21 FE's Battery Life - NaldoTech
7 ways to improve your Galaxy S21 Ultra's battery life - SamMobile
Samsung S21 Series - INSANE Battery Optimization in 1 STEP! - Samsung Community
How to Optimize Battery on SAMSUNG Galaxy S21?, how to - HardReset.info
Galaxy Battery - Optimization
How to turn off battery optimization on the Samsung Galaxy Android 6, 7 and 8 devices | Android - FAQ