LED Softwares offers a paid or premium version of this firmware.
Some communities suggest using Telegram to find specific board files. The Dip Electronics Lab site provides a table that directs users to search for the board number within their Telegram community . Installation Notes Verify Board Number: Ensure your board exactly matches CV628H-B42 to avoid bricking the device. Download CV628H B42 1366x768 SamsungIR part1 rar
If your TV is stuck on the logo, copy the extracted .bin or .img file to a FAT32-formatted USB drive and insert it into the TV's USB port. LED Softwares offers a paid or premium version
Below are the most relevant sources for this specific software: A verified link for the CV628H-B42 Installation Notes Verify Board Number: Ensure your board
For most CV628H boards, the service menu can be accessed by pressing Menu + 1147 on the remote.