Renits A5
From iagent
Renits is an HDMI screen with touch capabilities.
Firmware upgrade
In order to perform a firmware upgrade, the screen must first enter bootsel mode. This can be done by holding in both keys on the back of the board when applying power. Alternatively, the bootloader can be entered via the command line for the screen.
minicom -o -D /dev/ttyACM0
Once communication with the screen has been established, the bootloader can be started with the command
bootsel