RESTORE FACTORY DEFAULT SETTINGS
Please follow the instructions below to reset the phone:
1. Press MENU button to bring up the keypad configuration menu;
2. Select Settings and enter;
3. Select System Settings 🡪 Factory Reset;
4. A warning window will pop out to make sure a reset is requested and confirmed;
5. Press Yes softkey to confirm and the phone will reboot.
6. To cancel the Reset, press No softkey instead.
Users also can perform a factory reset using combo keys on DP722/DP730 during booting up prior it’s fully booted, to give
DP722/DP730 the ability to recover from some extreme cases like self-reboot or stuck right after booted up.
Please refer to the following procedure for DP722/DP730 factory reset using the combo key:
1. Connect the USB cable and power off DP722/DP730.
2. Power on DP722/DP730 and wait for Green LED.
3. Press 3 times Central Key (OK/Selection Key) quickly after Green LED on.
4. Press Speaker Key (left bottom) first and then Mute Key (right bottom) after Red LED on.
5. DP722/DP730 LED will start blinking in 3 colors: Green, Red and Orange if factory reset successful triggered.
6. Wait for about 1-3 minutes, the DP722/DP730 will boot up with setup wizard for initial language and date format settings.
CHANGE LOG
This section documents significant changes from previous versions of the user guide for DP755/DP722/DP730. Only major
new features or major document updates are listed here. Minor updates for corrections or editing are not documented here.
Firmware Version 1.0.1.13
This is the initial version for DP755/DP730/DP722.
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.
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