After rebooting, remove the USB drive. Your is complete.
The process usually takes 3–5 minutes. during this time. viano tv software update
The stock navigation systems in the Viano (often COMAND APS NTG1 or NTG2 generations) rely on DVD-based map data. After rebooting, remove the USB drive
For situations where the TV cannot connect to the internet or an OTA update isn't available: How to update the software on an Android TV - TCL Support viano tv software update