How to update software on GARMIN Fenix 3? - HardReset.info
Garmin Fenix 3 HR, now with an optical pulse sensor
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.
How to Install Software Updates to My fenix 3 Series Watch | fēnix® 3 HR | Garmin Customer Support