Yealink SIP-T46G User Manual page 173

3. Click Upgrade to upgrade the firmware.
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!".
4. Click OK to confirm upgrading.
How to reset the phone?
Reset the phone to factory configurations after you have tried 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.

Config 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:
1. Press Menu->Advanced (default password: admin) ->Reset&Reboot->Reset to
Factory.
2. Press or , or the Switch soft key to select the desired type from Reset
Option field.
3. Press the Save soft key.
The LCD screen prompts the following warning:
Troubleshooting
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