
 
 
Grandstream Networks, Inc. GXV3140 USER MANUAL  Page 81 of 83 
 FIRMWARE VERSION 1.0.1.18 Updated : 09/2009 
 
 
Step 2: At the bottom of the page, click on the “Reset” button for Factory reset. A dialog box will pop up (as 
shown in figure below) 
 
 
Click on OK to restore the phone to factory settings.