The TV displays the brand logo and then restarts repeatedly.

If your television is stuck on a boot loop or a completely black screen, follow this precise sequence to force the bootloader to read your USB drive:

Tech communities and DIY repairers documented practical workarounds:

Update and Fix for cvtemsd338512m Smart TV: Enhancements and Solutions

A: Only download firmware from official manufacturer websites or verified service centers. Unofficial firmware can introduce malware, cause irreversible damage, and void your warranty.

Locate the specific firmware file for your board and panel combination from your manufacturer's support site or an official service technician repository.