My fēnix 5 Is Stuck on the Garmin Blue Triangle | Garmin Customer Support. FREE GROUND SHIPPING ON ORDERS $25 AND UP. Garmin Support Center is where you will find answers to frequently asked questions and resources to help with all of your Garmin products. The device is compatible with some Bluetooth ® sensors. The first time you connect a sensor to your Garmin ® device, you must pair the device and sensor. After they are paired, the device connects to the sensor automatically when you start an activity and the sensor is active and within range.

In the Fenix 5 Plus manual, it states 12 days battery life for "Smartwatch mode with activity tracking and 24/7 wrist-based heart rate monitoring" Could someone please advise me how I select this "mode"? I can't see anywhere that allows activity tracking and wrist-based heart rate monitoring 24/7 where there is suddenly a boost in battery life.

Extended Display Mode. You can use Extended Display mode to display data screens from your fēnix® device on a compatible Edge ® device during a ride or triathlon. See your Edge owner's manual for more information. Wireless Sensors.
The Fenix 5 Plus is not the same as the Forerunner 935 of course, but it seems very similar to an issue I had with the FR935; I had three watches replaced because they stopped doing USB data transfer, then stopped charging. According to Garmin a known issue at the time, internally broken USB port. . 478 242 321 471 166 175 389 392

garmin fenix 5 plus troubleshooting