: If the TV still boots, try to backup your current settings or firmware if the menu allows.
: Once the flashing stops or the TV restarts, the process is complete. Remove the USB drive. Critical Safety Tips
Based on common distribution methods for this specific board (TP.MS338.PC821), you can check the following types of sources: Download MS338 PC821 1920x1080 Santron India ref66 part5 rar
: Place the extracted firmware file (usually named allupgrade_ms338_2G_ref66.bin or similar) into the root directory of the USB drive. Do not put it in a folder. Flash the TV : Turn off the TV and unplug it from power. Insert the USB drive into the TV's USB port. Plug the TV back in.
: Place all downloaded parts (Part 1 to Part 5) in one folder. Right-click Part 1 and select Extract Here (using WinRAR or 7-Zip) to get the final .bin file. : If the TV still boots, try to
: Search for "Santron India" or "TP.MS338.PC821" on forums like Lab-Electronics or specialized YouTube technician channels like LED LCD Technician . Installation Guide
: Sites such as LED Softwares often list specific board firmwares for download. Critical Safety Tips Based on common distribution methods
: Many technicians share firmware in specialized groups like Softwarezone.ga or hashmielecom . You can search these channels using the keyword "MS338 PC821".