Step 1 - Navigate to Support menu from the Home screen
Step 2 - Navigate to Hardware Updater
Step 3 - Select the CellMon channel via "Communication Channel"
Step 4 - Select the relevant UMonHub channel
Step 5 - Pick the HexMon file
Step 6 - Pick the relevant firmware based on the hardware used
Step 7 - verify the selected firmware matches the hardware to be updated
Step 8 - On the Options tab, verify the correct number of hardware components exist for that communication channel
Step 9 - Press Start
NB: If not enabled make sure 12v is off then exit and restart steps of the Updater sequence
Step 10 - Monitor the progress
If going well should look like this
Step 11 - Confirm that the update has completed successfully