If the TV works, go to Settings > Support > System Update > Upgrade from USB .
Turn the TV off, insert the USB, and then hold the Standby/Power button on the remote while turning the power back on. Release it only when the "Software Updating" progress bar appears. Download RSAG7 820 6392 Hisense H50M3300 part10 rar
💡 If the update doesn't start, some users report success by repeatedly tapping the Volume Minus (-) button on the remote immediately after powering the TV on. If the TV works, go to Settings >
If you have a multi-part download (e.g., parts 1 through 10), you must: If the TV works