Gear S3 update fixes battery drain issue | UPD: now rolling out in Europe - Mobilescout.com - MobileScout.com
Samsung Gear S3 battery drain problem fixed with latest update - PhoneArena
Amazon.com: [430mAh] Battery for Samsung Gear S3 Frontier(SM-R760) and Gear S3 Classic, (2022 New Version) Upgrade Replacement Battery for SM-R770, BR760, R765, EB-BR760ABE, GH43-04699A with DIY Repair Tool Kits : Cell Phones
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