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