So after I updated to the latest firmware I got extreme battery drain like from 100% to dead within an hour even after replacing the battery. HR sensor is dead wont turn
Here's a temporary Gear S3 battery fix that also works with the Gear Sport - SamMobile
How to Fix a Gear S3 Battery Drain
gear s3 battery drain fix 2020 - YouTube
Samsung Gear S3 users reporting poor battery life post Tizen 3.0 update - GSMArena.com news
Samsung responds to Gear Sport and Gear S3 battery drain issues
New Gear S3 Update Lands In Europe, Fixes Battery Issues