Many Vivax TVs use different internal hardware (chassis) even if the model name is similar. Always verify the board number before flashing.
The TV gets stuck on the Vivax logo during startup. Where to Find Vivax LED TV Firmware Downloads for Free vivax led tv firmware download free
If your TV cannot connect to the internet or you need to fix a "boot loop" issue, you can download the firmware manually. Many Vivax TVs use different internal hardware (chassis)
Installing the wrong firmware is the #1 cause of permanently bricking budget TVs. When in doubt, hire a professional technician. hire a professional technician.