The Yealink WF50 WiFi USB adapter allows supported Yealink desk phones to connect to a wireless network instead of using an Ethernet cable.

Connect to WiFi using the WF50 adapter

If your phone is not connected to a network, the display may show “No Service” until you enable and connect to a WiFi network, as described below. 

1. Insert the WF50 adapter into the USB port on the back of the phone.
2. On the phone, navigate to:  
   1. Menu, 
   2. Basic, 
   3. Wi-Fi.
3. Set WiFi to On.
4. Select your wireless network from the available list.
   Note for T43U phones: If your network does not appear, select Known Network and manually enter the SSID.
5. Enter your WiFi password and confirm.