You will download the rar file, extract and copy img file in fat32 formatted usb and connect usb with tv And plugin main power Software update will star automatic red LED is slowly billing means the software is updating When the LED starts fast billing, the software is complete, now picking up the USB, take off the main power and turn it on again service code menu 1147
TP.MT5522.PC821 1G 8G Nour Sat Logo 4K Firmware