1. Download the firmware file clicking HERE.
2. Create a folder named LG_MONITOR at the root of a USB stick (formatted as FAT32 or MS-DOS FAT) and move the downloaded file into the this folder;
3. Plug the USB stick into your webOS 3.2 device and power it on.
4. Wait a couple minutes until the screen below is displayed:
5. Click the update button and wait for the process to be completed.
Please: Do not interrupt the process before it's finished, or it might damage your device.