April 24, 2026 Subject: Methodology and procedure for updating Tcl smart TV or device software using a USB drive.

Insert the USB flash drive into the USB port located on the side or back panel of the TV.

Turn off the TV completely and unplug it from the wall outlet. Insert the USB drive into the or USB 3.0 port.

A prompt should automatically appear on the screen stating: . If it does not appear, navigate manually to Settings > System > System Update > Update from USB .