
 
GXV3140 USER MANUAL  www.grandstream.com 
SOFTWARE VERSION 1.0.0.44 support@grandstream.com 
 
 
 
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.