- Download the Firmware based on the supported device model
- Copy the update.zip file in the root folder of a USB flash drive formatted to FAT32
*NOTE: Do NOT unzip the file! - Turn on the display
- Plug the USB flash drive into the device
- On the device, press in sequence “HOME, 1, 8, 8, 8” to enter the Admin Mode.
*NOTE: In the case of BDL4151T and 24BDL4151T, press in sequence the rounded button and the volume down button behind the display - Click “Settings”
- Based on the device, either select “Signage Display” or “About”, then select “System Updates”
- If a selection between "Local" and "Remote" comes up, select “Local Update”
- Select the “update.zip” file from the list and press OK
- The device will reboot to perform the update and reboot again once the update is finished
- Perform a Factory Reset on the device
- Once Factory Reset and the following Initial Setup are finished, check the firmware version on the device in the Settings