Plenty to read!
Designed for the 1509 series microcontrollers (MCUs).
: Select Upgrade via USB and choose your firmware file. Confirm the upgrade; the screen may turn blue or show a progress bar. firmware 1509-dvbt2-512m
: Do not turn off the power during the update process, as this can "brick" the device (make it permanently unbootable). Designed for the 1509 series microcontrollers (MCUs)