EB BR760ABE 380mAh Original Battery For Samsung Gear S3 Frontier Gear S3 Classic SM R760 SM R770 SM R765 with Professional Tool|Mobile Phone Batteries| - AliExpress
Samsung Gear S3 receives another update that's meant to improve battery life - GSMArena.com news
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
Experiencing severe battery drain on your Gear S3 or Gear Sport? Try this temporary fix - PhoneArena