Keep holding the button until you see an update progress bar or a flashing indicator light on the front panel.
Press and hold the physical button on the TV chassis (not the remote control). viano tv software update
Ensure your TV is connected to a stable internet connection. Navigate to Settings > Support > Software Update . The update will download automatically or prompt you to confirm. Note: Do not power off the TV during the installation process. Keep holding the button until you see an
Insert the prepared USB flash drive into the on the side or back of the TV. Navigate to Settings > Support > Software Update
Format the USB drive to . (Do not use NTFS or exFAT, as basic TV motherboards cannot read them). Phase 2: Source the Correct Firmware File
Quickly type the sequence: (or alternately Menu + 1, 1, 4, 7 depending on the chassis manufacturing year). The factory service menu will overlay on the screen.