software upgrade by usb
unzip the file “v8-nt67f0x-lf1vxxx_img_usb”
please save file ‘update.img’ at the root of the usb drive formatted in fat32 (do not save file
in any folder)
put tv on standby
insert usb drive in ‘usb 2.0’ slot of the tv.
press and maintain the power button of the keyboard until the software update screen is
displayed.
tv will update sw automatically, and shows popup menu to inform the user about the
ongoing update.
upgrade will take some time.
do not switch off, unplug and remove usb drive until upgrade is complete.
when reflashing is successful, tv should restart automatically after ~5 minutes.
remove the usb drive from the usb port.
please delete the file ‘update.img’ from your usb disk to avoid any unwanted software download
https://www.tcl.eu/en/product-assistance/U40S6806S