Skyworth 40e2000 Firmware — Update
Do not confuse firmware with a standard app update. Firmware updates the TV’s core operating system (Linux-based RTOS or Android, depending on your variant).
The update process is generally considered user-friendly, provided you have a stable internet connection. How to Perform the Update Skyworth 40e2000 Firmware Update
Insert the USB into the TV's USB port while the power is off. Do not confuse firmware with a standard app update