: Provides multiple board configurations, including the TP.MS338.PB801 1366x768 variants . Software-Zon : Offers a specific 1366x768 firmware package

: Once the update is complete (the LED stops blinking or the TV reboots), remove the USB drive immediately. Board Specifications Main Board Model : TP.MS338.PB801 Resolution : Supports 1366x768 (HD Ready). Memory : 512MB RAM and typically 4GB or 8GB ROM. Connectivity : Integrated Wi-Fi and dual-core processor. How to Install TP.MS338.PB801 TV Android UHD WIFI TV Board

: Copy the extracted firmware files (typically named allupgrade_msd338_4G_sos.bin or similar) to the root directory of the USB drive. Initiate Update : Turn off the TV and unplug it from the power source. Insert the USB drive into the TV's USB port.

The requested firmware for the motherboard with 1366x768 resolution and 512MB RAM (specifically associated with Electrostar or universal Android TV brands) can be found through several firmware repository and community support sites. Firmware Download Sources

Plug the TV back in. The update process should start automatically, often indicated by a blinking LED on the front panel.