All Secret Codes in NOKIA Lumia 630 - Nokia Hidden Features

Which secret codes works on NOKIA Lumia 630? How to use secret codes in NOKIA Lumia 630? How to open hidden menu in NOKIA Lumia 630? The NOKIA software developers leave ‘backdoors’ within the code, which essentially allow anyone with knowledge to get into the system at a much deeper level than you’d expect from an end-user. Read more about your phone: http://www.hardreset.info/devices/nokia/nokia-lumia-630/