Do you have a (like a CH341A), or are you trying to update via USB stick ?
(often listed as TP.SIS231.PT851) mainboard usually requires visiting specialized technician forums. 📥 Recommended Download Sources Download Flash Dump VIVAX 40LE72 SIS231 P851 rar
What is the number (found on the internal silver sticker)? vivax tv-32le73 tp.sis231.pt851 dum - Elektrotanya Do you have a (like a CH341A), or
Flashing the wrong dump can your TV or cause remote control/panel glitches. Always back up (read and save) your original SPI Flash data using a programmer like the CH341A or RT809F before writing new firmware. If you vivax tv-32le73 tp
: A confirmed fix thread for this exact model exists where users share the working .bin file. You may need to create a free account to access the Google Drive link or attachments. Elektrotanya : This site hosts various TP.SIS231.PT851