: The TV will typically display a progress bar. Do not power off the device during this process. The TV should restart automatically once finished. You Can Update Your TV's Firmware With a USB Drive

: Built-in Wi-Fi, support for apps like YouTube and Facebook, and screen mirroring capabilities. Firmware Installation via USB

: 3 HDMI ports and 3 USB ports for external media and firmware updates.

If it does not start automatically, navigate to > System (or Support) > Software Update > Update by USB .