Download Cv338h A42 1366x768 Panel Lc390tua Tested Mirror China Rar May 2026

The "Mirror" designation in the filename refers to a common issue where the image appears upside down or flipped horizontally after installing a generic firmware. The "Tested" status indicates this specific RAR package contains a verified configuration for this board and panel combination to ensure the orientation is correct.

Plug the TV back into the power outlet while still holding the button. The "Mirror" designation in the filename refers to

The is a popular universal Android smart board used in many Chinese-manufactured LED TVs. It is often paired with the LC390TUA panel, which typically features a 1366x768 (HD Ready) resolution. The is a popular universal Android smart board

Extract the contents of the .rar file. You should see a file named allupgrade_338_2G_ref... or similar. You should see a file named allupgrade_338_2G_ref

Always verify your board and panel numbers before flashing, as using the wrong firmware can permanently "brick" your TV.

Wait for the standby LED to blink rapidly or a progress bar to appear on the screen. Once complete, the TV will restart automatically.