Hold the power button on the TV (not the remote) and plug the power cord back in. Release the button once the update screen appears.
Given that I don't have the specific details on "tpsk706spc822," let's consider a hypothetical example: tpsk706spc822 firmware link
Flashing firmware on this board requires preparing a USB drive correctly. Follow these steps carefully: 1. Prepare the USB Flash Drive Use a USB 2.0 drive with a capacity between . Hold the power button on the TV (not