RESTORE FACTORY DEFAULT SETTINGS
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.
Restore Factory Settings using LCD menu
Please follow the instructions below to reset the phone:
1. Press MENU button to bring up the keypad configuration menu.
2. Navigate to Settings → Advanced Settings.
3. Select “Factory Reset".
4. A warning window will pop out to make sure a reset is requested and confirmed.
Press the "Yes" Softkey to confirm and the phone will reboot, or “No” Softkey to cancel the Reset.
Restore to Factory Default via Web GUI
1. Login GRP2601/GRP2602/GRP2603/GRP2604 Web GUI.
2. Navigate to Maintenance → Upgrade and provisioning → Advanced Settings → Factory reset.
3. Press on Start Button situated against Factory reset option
Click “OK” to confirm and the phone will reboot, or on “Cancel” to cancel the Reset.
Restore to Factory Default via Keypad
1. The phone is in idle state
2. Press and hold Softkey1 and Down button Until a factory reset confirmation message is displayed
3. Or dial call feature code **02030203** to initiate a factory reset.
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