Factory Reset; Restore To Factory Default Via Lcd Menu; Restore To Factory Default Via The Web Gui - Grandstream Networks WP820 Administration Manual

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When the WP820 boots up, it will issue TFTP or HTTP(S) request to download a configuration XML file named

"cfgxxxxxxxxxxxx" followed by "cfgxxxxxxxxxxxx.xml", where "xxxxxxxxxxxx" is the MAC address of the phone, i.e.,

"cfg000b820102ab" and "cfg000b820102ab.xml". If downloading "cfgxxxxxxxxxxxx.xml" file is not successful, the provision

program will download a generic cfg.xml file. The configuration file name should be in lower case letters.

For more details on XML provisioning, please refer to the following document:

https://documentation.grandstream.com/knowledge-base/sip-device-provisioning-guide/

FACTORY RESET

Warning

Restoring the Factory Default Settings will delete all configuration information on the phone. Please backup or print all the

settings before you restore to the factory default settings. Grandstream is not responsible for restoring lost parameters and

cannot connect your device to your VoIP service provider.

There are two methods to restore the WP820 to the factory default settings.

1. On WP820 idle screen, go to Settings

2. In the new window, confirm the reset using the left softkey.

3. Once confirming the factory reset, WP820 will reboot with the default factory settings.

1. Login WP820 Web GUI and go to Maintenance

2. At the bottom of the page, click on the Reset button for Factory reset.

3. A dialog box will pop up to confirm factory reset.

4. Click OK to restore the phone to factory settings.

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Advanced Settings

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Figure 17: WP820 LCD – Confirm Factory Reset

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Upgrade

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Figure 18: WP820 Web GUI – Factory

Reset

Figure 19: WP820 Web GUI – Confirm Factory Reset

Factory reset.

Advanced Settings;

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