The "1366x768" in your query refers to the specific display resolution of the panel the firmware is intended for.
Once the light stops flashing or stays solid, the update is finished. You must power off the board before removing the USB drive. Technical Warnings Download RD8503 Sony 1366x768 rar
The file refers to a firmware package for the (often model T.RD8503.03 or T.RD8503.A8 The "1366x768" in your query refers to the
Power on the board. A light on the keypad or board will typically begin flashing (often red and green or rapidly blinking red). Download RD8503 Sony 1366x768 rar
.png)
