O Firmware para as TCL está disponível no site do fabricante, se o modelo não estiver na lista, solicitem por e-mail e, em alguns dias, eles enviam.
Firmware for TCL is available at the manufacturer's site, if model is missing, send a email ask for it, and in a few days, they send it.
El firmware para TCL está disponible en el sitio del fabricante, si falta el modelo, envíe un correo electrónico para ello y en unos días lo enviarán.
Прошивка для TCL доступна на сайте производителя, если модель отсутствует, отправьте по электронной почте аки, и через несколько дней они отправят ее.
For spanish models
www.tcl.eu/es/ --> Servicio ao cliente
For other countries, check country TCL site ou global site.
Thanks to all for trying help
Some models have automatic upgrade and update, before load new software try automatic upgrade/update first