Groups dedicated to LED TV repair, such as Kazmi Elecom , frequently share multi-part firmware files for the CV338H series.
Do you need the to access the service menu for this board, or lcd tv led tv smart tv software – Telegram
Copy the firmware to a FAT32-formatted USB drive, insert it into the TV, and power the unit on. The TV should automatically detect the update. Download CV338H U42 1920x1080 AKAI part02 rar
1920x1080 (Full HD). It is critical to match this resolution to your TV panel to avoid display issues or a "blank screen" after flashing.
If you need to change settings after installation, the service code for this board is typically Menu + 1147 or Input + 2580 . Groups dedicated to LED TV repair, such as
Once you have downloaded all parts (including part01 and part02) and extracted the .bin file:
CV338H-A32-1366x768-HD.rar. 371.9 MB. CV338H-A32-1920x1080-FHD.rar. 304.9 MB. CV338H-A42-1366x768-NIKAI.rar. 337.7 MB. CV338H-A42- Telegram Messenger 1920x1080 (Full HD)
Many repair channels provide direct Google Drive or MediaFire links in their descriptions for specific resolution versions of this firmware. Installation & Service Codes