(usually allupgrade_...pkg or MstarUpgrade.bin ) to the root of the USB drive. Insert the USB into the TV while it is unplugged.
on the TV (not the remote) and plug the power cord back in. Download SK506S PB802 1920x1080 Nord Mende REF75 part01 rar
TP.SK506S.PB802 (4-core, 1GB RAM / 8GB Storage) (usually allupgrade_