Most support teams will verify your warranty, then send a private, time-limited link.
Press and hold the Power button on the remote (or the TV itself) until the screen displays "Software updating..." or "Upgrade in progress". upgrade-loader.pkg hisense download
The TV's bootloader specifically looks for the exact filename upgrade-loader.pkg . Most support teams will verify your warranty, then
Once the TV boots, you will have factory firmware. This means: then send a private