Garmin Watch Service Menu
Development Menu Instructions
- Navigate to the "About" Menu, typically it's under Settings - > About or Settings -> System -> About
- Press the light button 8 times.
Service Menu Instructions
- Start with the watch turned off. (press light button and select "Power Off").
- Hold down the DOWN button, (bottom left).
- Whilst keeping the down button pressed, power on by pressing light button briefly.
- Keep holding the down button whilst the watch powers up and enters service mode.