How to reset smart tv?
Before beginning, it’s very important to make sure that your TV is OFF.
Take your Smart Remote in hand and simultaneously press Info + Menu + Mute + Power.
Next, enter the following sequence into your remote: Mute > 1 > 8 > 2 > Power.
Your television will boot up in service mode. Using your remote, go to Options > Factory Reset.
Your television will now turn off. Simply turn your device back on to proceed with the setup.