Hard Reset myPhone DuoSmart - factory reset tutorial

How to do the factory reset in the easiest way? How to Fully Erase Everything from myPhone DuoSmart ? How to accomplish the factory reset? How to do the master reset? The hard reset operation will restore your myPhone DuoSmart to the factory state. All settings, applications and data added by the user will be removed. More info: http://www.hardreset.info/devices/myphone/myphone-duosmart/