Use the steps here to update the firmware of your CharaChorder Lite.
Note, if you received your Lite after October 1st, 2022 you need to use a special firmware version to fix the “NaN” bug. You can find this version down below in the table.
Option 1: In Chord Manager
Go to Chord Manager (https://launchpad.charachorder.com/#/manager)
Connect your CharaChorder to your device
Click “Connect”
Your firmware version will display near the top of your screen:
Option 2: Use the GTM
Wherever text can be typed, chord both pinkies up to access the GTM (Generative Text Menu)
Press >S< for Settings
Press >V< for Version
Your version should display in the text box