and identify if it uses or SI8L (Single 6-bit or Single 8-bit) LVDS signals. 2. Download and Prepare the Firmware

The search "Download D3663LUA 1366x768 rar" refers to the firmware required for the DS.D3663LUA.A81

DS.D3663LUA.A81.2.PA V56 V59 Universal LCD Driver Board Support DVB-T2 TV Board+7 Key Switch+IR 3663

Firmware for these boards is typically distributed as a .rar or .zip archive containing a .bin file.

: Reliable sources include technical forums like KenotronTV or by requesting it directly from sellers on AliExpress or Banggood .