Copy files to root directory of microSD card, insert into display (contacts on top) and run update process.
Do not downgrade firmware that was installed from factory! You may get a brick

Display Controller Release notes
v0.7.9 file.png
Hotfix, fixed NaN error for analog inputs.
21 Nov 2019
v0.57B file.png
v0.7.8 file.png
20 Nov 2019
Export configuration (or make screenshots), after controller update do "Erase data storage" and reboot. Configuration will not be imported fully, some values will need to enter manually.


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