Use this to restore a TV stuck on the "Android" or "Nordmende" logo.
(usually allupgrade_...pkg or MstarUpgrade.bin ) to the root of the USB drive. Insert the USB into the TV while it is unplugged.
(you will likely need all parts if it is a multi-part archive).
Download SK506S PB802 1920x1080 Nord Mende REF75 part01.rar
If you replaced the motherboard and the image is distorted or upside down, you may need the correct 1920x1080 resolution program. Installation Tips: Format your USB drive to FAT32.