Yealink T46G Skype For Business Edition User Manual page 227

Press the OK soft key to reboot the phone.
4.
Any reboot of your phone may take a few minutes.
Note
How to upgrade firmware?
To upgrade firmware via web user interface:
Click on Settings->Upgrade.
1.
Click Browse... to locate the firmware from your local system.
2.
Click Upgrade to upgrade the firmware.
3.
The browser pops up the dialog box "Firmware of the SIP phone will be updated. It will take
5 minutes to complete. Please don't power off!".
Click OK to confirm upgrading.
4.
T46G phones can be also upgraded from the Skype for Business Server. For more information
on how to upgrade the T46G phone from the Skype for Business Server, refer to
Phone Firmware from Microsoft Skype for Busniness Server
How to reset your phone?
Reset the phone to factory configurations after you have tried almost all troubleshooting
suggestions but do not solve the problem.
Three ways to reset the phone:
Full Reset: All configurations and userdata on the phone will be reset.

Configuration Reset: All configurations (e.g., account, call history) set on the phone will

be reset.
Userdata Reset: All custom data (e.g., ring tone) set on the phone will be reset.

Contact your system administrator before resetting the phone.
To reset the phone via phone user interface:
Press
1.
Press
2.
->Advanced (default password: admin) ->Reset to Factory.
or , or the Switch soft key to select the desired reset option from Reset
Troubleshooting
Updating
.
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