The firmware is software installed on the NOWATCH case. Ensure that you are using the latest version, as firmware updates may contain fixes and new features.
Your NOWATCH and the NOWATCH app must be connected for the current version and update option to display.
On The NOW tab, tap the NOWATCH icon in the upper rightmost corner.
Scroll down to the ‘Your NOWATCH’ section to see the current firmware version.
Tap Firmware update.