Hold the Power button on the TV or Remote and plug the TV into the power outlet.
Multi-part RAR archive (requires both part01.rar and part02.rar in the same folder to extract). Where to Find the Full Post & Files Download SK508S PB802 1366x768 REF75 part02 rar
Below is the summary of the firmware details and where to find the complete "post" or archive for this specific hardware: Mainboard Model: TP.SK508S.PB802 1.3.1 Resolution: 1366x768 (HD Ready) Hold the Power button on the TV or
The LED should blink rapidly, indicating the update is in progress. until it finishes. until it finishes
A reliable source for Russian and Chinese TV firmware, including specialized mainboard versions for DEXP and generic brands. Installation Instructions
The specific file sequence you are looking for——refers to a segmented firmware update for a Chinese universal TV mainboard (often used in brands like Samsung clones, DEXP, or Akai).