Download Cv338h A42 1366x768 Panel Lc390tua Tested Mirror China Rar Here

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

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

Press and hold the on the TV panel (not the remote). Wait for the standby LED to blink rapidly

Navigate to Panel Settings and look for a setting labeled Mirror or Flip . Change the value and restart the TV. Resource Links

To install the firmware via USB, follow these standard procedures: You should see a file named allupgrade_338_2G_ref

For visual guides on resolution and logo changes, expert tutorials on YouTube can provide a walkthrough of the service menu.

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. Navigate to Panel Settings and look for a

The picture is scrambled or doesn't fit the screen properly.