Using Windows 8 sometime will make user have small problems because not all user familiar with new Metro menu style. In this case we will talk about how to remove Wifi Network Connection from Windows Phone.
We are using Command Prompt or Shell prompt to make it faster, to use this step, you have to use Administrator account, in some installation, default user is already administrator user permission.
C:> netsh wlan show profiles
C:> netsh wlan delete profile name=[wifinetworkname]