How To Reset The Phone?; To Reset The Phone Via Phone User Interface - Yealink SIP-T21 E2 User Manual

User Guide for the SIP-T21(P) E2 IP Phone

How to reset the phone?

Reset the phone to factory configurations after you have tried all troubleshooting
suggestions but do not solve the problem. You need to note that all customized settings
will be overwritten after reset.

To reset the phone via phone user interface:

1. Press Menu->Settings->Advanced Settings (default password: admin) ->Reset to
Factory.
2. Press the Enter soft key.
The LCD screen prompts the following warning:
3. Press the OK soft key.
The LCD screen prompts "Resetting to factory,please wait...".
The LCD screen prompts "Welcome Initializing...please wait".
The phone will be reset to factory settings sucessfully after startup.
Note
Reset of your phone may take a few minutes. Do not power off until the phone has started
up successfully.
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