Yealink CP960 Skype for Business - How to reset the phone?

Troubleshooting
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How to reset the phone?
Generally, some common issues may occur while using the phone. Your system administrator
may ask you to reset your phone to factory configurations after you have tried all
troubleshooting suggestions but still do not solve the problem. This operation will delete all
your personal configuration settings, and reset all settings to the manufacturer default setting.
Note
To reset the phone via phone user interface:
1. Tap More->Advanced (default password: admin)->Reset to Factory.
2. Tap Reset.
The touch screen prompts “Reset to factory setting?”:
Check with your system administrator if you want to keep some personalized settings before
resetting your phone.