Just replaced my Gear S3 battery (24$ + 10$ for tools). Excited to get 3+ days back. Links in comments, will report back with new battery life in a few days. : r/GearS3
Samsung Gear S3 review - evolution of a smartwatch! - Android Authority
Gear S3 Battery Drain Fix!!! - YouTube
Experiencing severe battery drain on your Gear S3 or Gear Sport? Try this temporary fix - PhoneArena
Samsung Gear S3 battery drain problem fixed with latest update - PhoneArena
Latest Gear S3 Update Likely to Fix Battery Drain Issues
Samsung is pushing another Gear S3 update to take care of the battery drain - GSMArena.com news