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

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 .

Check the official portal (though specific controller firmware is often third-party or OEM).

Confirm your panel resolution is exactly 1024x768 .

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 .

Ensure you back up existing settings or firmware before flashing.

Never power off the device during a firmware update to avoid "bricking." 🛠️ Step 1: Finding the Download