Garmin connect stopped reporting my body battery ( vivo smart 4 ) 3 days ago. Since then it says "no available data". It has worked well for about a year. Any ideas? -
Can you replace the battery on the Garmin Vivofit jr. 2? | iMore
Garmin vívofit 4: 1+ year battery life, always-on color display, swim proof
Replacing the Batteries
vívofit jr. 2 - Replacing the Battery
Garmin Vivosmart 4 tells you when to recharge your "body batter