At the moment, increasing the text size is only available on Workout Data pages.
To adjust, press and hold the back button - System - Workout Interface - Font Size - select Large.
Font options for workout data pages:
- Medium
- Default font size.
- Large
- Enlarged font size.
- Activated after 5 seconds on the data pages.
- Letters will be hidden once activated.
*Not available for COROS PACE 3, APEX 2, APEX 2 PRO, and VERTIX 2
Additionally, some people find switching the background color to black improves visibility, it looks like this:
You can change it by going to System - Activity Interface - Background color.