Want to turn off the LED on your TCL Android TV?  It's easy as 1-2-3...

• Press on the TCL Android TV remote control, select System and then press OK.
• Press▲/▼ to select and highlight Advanced settings then press OK.
• Press OK on LED indicator: You can set the LED indicator to be flashing, off, or on when the TV is in standby mode. 
• Press ▲/▼ to select your option, and then press OK.