Yealink Firmware for 3CX

Supported Models: Yealink T1, T2, T3, T4, T5, VP and CP series

Check/Validate Firmware Version

In order to check the firmware version of your Yealink IP phone:

1. Point your web browser  to your phone’s IP address.
2. Login to your account (default user/password: admin/admin).
3. Navigate to “Status >> Status >> Firmware Version.” This number is your device’s running firmware