Grandstream Networks GXP2160 - Restore to Factory Using LCD Menu

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GXP21XX User Guide
Version 1.0.9.108
Figure 81 : Confirmation for Factory Reset
Restore to factory using LCD menu
Please follow the instructions below to reset the phone:
 Press MENU button to bring up the keypad configuration menu.
 Select "System" and enter.
 Select "Operations - Factory Reset".
 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. To cancel the Reset, press “No” Softkey
instead.