Solved: Gear S3 Frontier battery drain on Tizen 3.0.0.2 - Samsung Community
How to Reduce Battery Drain on Your Samsung Galaxy S3 by Fixing Android System Usage « Samsung :: Gadget Hacks
How to Improve Battery Performance at SAMSUNG GALAXY S3 MINI I8190 (Battery Saving) & Make Battery Not Fast to Drain - Hard Reset & Factory Default Community