Wait for the indicator light to blink rapidly, signaling the update is in progress.

Copy the extracted firmware file directly to the (not inside any folders). ⚡ Step 4: Installation Process Turn off the display or controller board. Plug the USB drive into the USB service port .

Verify the date code in the filename: (August 28, 2017). 📂 Step 2: Extracting the Archive The file ends in .rar , which is a compressed format. Download and install a tool like WinRAR or 7-Zip . Right-click the file and select "Extract Here." Look for a .bin or .img file inside the extracted folder. 💾 Step 3: Preparing the USB Drive Use a small capacity USB drive (e.g., 2GB to 8GB ). Format the drive to FAT32 .