Yealink SIP VP-T49G User Manual page 263

2. Click Reboot to reboot the IP phone.
Note
You can also reboot the phone by long pressing
Any reboot of the phone may take a few minutes.
How to upgrade firmware?
To upgrade firmware via web user interface:
1. Click on Settings->Upgrade.
2. Click Upload File to locate the firmware from your local system.
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!‖.
3. 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.

Troubleshooting
when the phone is idle.
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