Screen's software needs to be at least FB05.05
xxBDL3050Q require a USB-Wifi dongle TP-Link Archer T4U to be able to work with wifi
For the TP-Link Archer T4U to work, the screen needs to run on FB05.05 SW version or later.
Check the Screen Current SW Version & Update Procedure
Check the Screen's software version by pressing "Info,7,7" button on the remote
The SW version will have FB... in front of the version number. The SW version need to be higher than FB05.05
Please refer to the following article on how to update the SW to the latest Version:
Where to Insert the USB-Wifi dongle at
For 65BDL3050Q, 75BDL3050Q, 86BDL3050Q – insert the USB wifi dongle into the third USB port, the first row near the rear cover, as picture 1.
For 55BDL3050Q, 49BDL3050Q – insert the USB wifi dongle into the second port from top to bottom, as picture 2.
Once the SW is updated.
Enter Android Menu - Home 1888
Go to Network
And configure Wifi accordingly.