Turn off the TV, plug in the USB, and then turn it on. Most universal boards will automatically detect the file and begin flashing (the indicator light may blink rapidly).
Before downloading, ensure the firmware matches your hardware precisely to avoid permanent damage to the board. MSOV591-ZC01-01 Resolution: 1366x768 (HD Ready) Download MSOV591 ZC01 1366x768 ELRYAN Backup Dump rar
ELRYAN (specifically configured for this manufacturer's remote and UI) Turn off the TV, plug in the USB, and then turn it on
There are two primary methods to install this firmware depending on whether the TV can still read from a USB port. Turn off the TV