The status LED will flash rapidly during the upgrade. turn off the power until the flashing stops or the LED changes color. a-c-t-i-n-i-u-m/lvds-firmware: under construction - GitHub
Because these files are often hosted on community forums or specialized firmware repositories, you can find the relevant downloads at the following locations: Firmware Download Sources Download MV9 V59 1366x768 USB part1 rar
A dedicated site for LCD controller boards provides links for the TSUMV59 chip firmware , including versions for different tuner models like R840 or R842. The status LED will flash rapidly during the upgrade