Navigate to > Device Preferences > About > System Update > Network Update .
, it is highly recommended to use official methods to avoid bricking the device with incompatible or corrupt firmware. Official Update Methods Download TCL L48B2610F USB Firmware part1 rar
: Contact the TCL Support Team to request the correct software BIN or .img file for your specific model. Navigate to > Device Preferences > About >
: The safest way to update is via the TV's built-in interface. Download TCL L48B2610F USB Firmware part1 rar