While holding the button, plug the TV back in. Continue holding until you see an "Updating" screen or the standby LED starts flashing rapidly. 3. Troubleshooting & Safety
If UART fails, the bootloader is corrupted. You must:
: Search for your specific main board model, for example, TP.MS338E.PB803 . One user on the Russian forum KenotronTV reported successfully reviving a "bricked" ERISSON 40FLE19T2SM TV using the allupgrade_msd338_8G_1G_ref30.bin file for its TP.MS338E.PB803 board. cvte msd338 512m update upd
Do not turn off the power during the process. The TV will restart automatically once finished. Common Issues and Solutions
If you experience anomalies immediately following a successful firmware update, implement these technical resolutions: While holding the button, plug the TV back in
If you need help tracking down the exact files, please provide:
If your board has suffered an internal mismatch config where the display went dead, shows heavy vertical lines, or has corrupted screen graphics, you can execute a forced blind reset. Troubleshooting & Safety If UART fails, the bootloader
An UPD file is signed. CVTE devices will an update signed with the correct private key. This prevents installing random firmware from other devices (even with the same MSD338).