Grandstream GXP2200 User Manual - Manual (Page 161)

Firmware Version 1.0.3.26 GXP2200 USER MANUAL Page 160 of 159
Figure 150: GXP2200 Web GUI - Confirm Factory Reset
RESTORE TO FACTORY DEFAULT VIA HARD KEYS
If users could not access web GUI for factory reset, or when the GXP2200 cannot bootup, pressing and
holding 1 and 9 at the same time for about 5 seconds could reset the GXP2200 before it boots up. Follow
the steps below to reset the GXP2200 via hard keys.

Power cycle the GXP2200;

When the phone starts booting up, press and hold both 1 and 9 keys at the same time for about 5
seconds;

The GXP2200 will stay in the booting up screen with the Grandstream logo displayed;

Wait for about 1 minute till the GXP2200 boots up again;

The GXP2200 will boot up with factory default settings.