The process takes 2–4 minutes. Do not disconnect power or USB. After 100%, the tool will say "Pass."
To update the CVTE MSD338 (often found on boards like the TP.MS338.PB801) with 512MB RAM, you must follow a precise manual USB flashing procedure. Because these boards are universal, the software update is typically used to fix "boot loop" issues, update the Android OS version, or change the screen resolution to match a specific panel. Prerequisites : A 4GB or 8GB USB 2.0 drive, formatted to Correct Firmware cvte msd338 512m update 2021
The LED will eventually stop flashing or turn a solid color. Unplug the USB drive and restart the TV. ⌨️ Service Menu & Factory Codes The process takes 2–4 minutes