Rebooting or Factory Reset

If your phone is malfunctioning or require updates you or your phone system administrator may want to perform one of the following:


Rebooting - this will bring the phone back to the its last configured state. It is also required when changing BLF settings.


Factory reset - this erases the current configuration and apply the original configuration the phone was shipped with from the factory.  



Rebooting Your Phone


In most cases this can be attempted when your phone malfunctions without much concern. If this fails to solve the problem you can attempt the other two methods.


To reboot your phone:


You can  long press the X key when the phone is idle to reboot the phone. 


or


  • Navigate to Menu>Settings>Basic Settings>Reboot.

  • A confirmation message is displayed, confirming that you want to reboot the phone.

  • Press OK to reboot the phone.



Factory Reset

Do this if a reboot doesn't fix your issue. 


Yealink T4 Series (T41, T42, T46, T48, etc.)

To reset your T4 series handset, ensure your phone is at idle (no calls in progress, or any notifications for voicemail, etc.)

Press and hold the OK key for about 8 seconds, until you receive the 'Reset to Factory' prompt, then press OK to confirm the reset.


Yealink T5 Series (T53, T54, T56, T57, T58, etc.)

To reset your T5 series handset, ensure your phone is at idle (no calls in progress, or any notifications for voicemail, etc.)

If your handset has an OK key, press and hold this for about 8 seconds, until you receive the 'Reset to Factory' prompt, the press OK to confirm the reset.

If your handset does not have an OK key, press and hold the 'Redial' key for about 8 seconds, until you receive the 'Reset to Factory' prompt, and press the Accept key.