Hard Reset GARMIN Fenix 3, how to - HardReset.info
Garmin Fenix 3 - Learn how to use test boot mode to know... | Facebook
Garmin Fenix 3 stuck on boot screens - please help! (photos/video in text) : r/GarminFenix
Garmin Fenix 3 HR: Tips and tricks to make the most of your sports watch
End of my Fenix 3? It's been stuck on this screen. Have tried hard resets and all. Only thing now is to wait until the battery drains and keep my fingers cross.