Unplug the power supply chord of your universal controller board from the wall.
For your smartphone's companion app:
The software is a specialized firmware used for China-made LED/LCD TV Universal Motherboards . It is primarily used to restore or upgrade TVs using the UTS6710-X chipset. Pre-Download Checklist tr 6703 v5 software high quality download
The software cannot communicate with the connected hardware. Check your USB/serial bus drivers and ensure you are running the program with administrative privileges. Unplug the power supply chord of your universal
Once identified, visit their or Download section, enter “TR-6703 V5” or the motherboard model name, and download the driver package or BIOS update directly. visit their or Download section