Ensure the firmware resolution matches your physical screen (e.g., 1920x1080 vs 1366x768) to avoid display distortion.
The process usually takes about 3–5 minutes. Do not turn off the power during this time, as it can "brick" the motherboard.
The (commonly identified as the TP.MS338.PC821 ) is a popular universal Android smart TV motherboard used for retrofitting or repairing LED/LCD TVs. Updating the firmware is often necessary to fix bugs, resolve hanging issues, or match the resolution to a specific 1920x1080 panel. Firmware Details Board Model: TP.MS338.PC821 Resolution: 1920x1080 (Full HD) Update Method: USB Upgrade Download MS338 PC821 1920x1080 Kon USB part3 rar
Always try to back up your original firmware before installing a new one.
Once complete, remove the USB drive and restart the TV. Important Precautions Ensure the firmware resolution matches your physical screen
Often found as allupgrade_msd338_4G_sos.bin after extraction. How to Install the Firmware
Plug in the power and turn on the TV. The software update should start automatically, often indicated by a blinking LED or an on-screen progress bar. The (commonly identified as the TP
If you need to adjust settings after the update, the standard service code for this board is typically Menu + 1147 .