Pin deleted but pin lock screen still comes up
There ONLY way to get into your phone is to wipe all downloaded applications but keep all data on your internal sd card. This can be done by switching off the phone. Then hold the volume up button and press the switch on button. Select to delete all user data. Do not worry as this will not delete data on your internal SD Card. Select reboot. The proccess of selecting is done by volume buttons. You confirm using the MENU button.  If backed your apps with ES File Explorer you can have them back without any internet connection. Select the back app file in MY FILES and install all your apps back again without any internet connection.