Garmin Vivosmart 4 TroubleshootingHome / Garmin Vivosmart 4 Troubleshooting What to do if your Garmin Vivosmart 4 isnât updating its firmware How to fix Garmin Vivosmart 4 thatâs not syncing properly What to do with your Garmin Vivosmart 4 that wonât turn on How to fix Garmin Vivosmart 4 thatâs not receiving notification from phone