Do you have a (like a CH341A), or are you trying to update via USB stick ?
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 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