Lockscreen problem?

[RoadRunner]

Can someone please help. I have no passcode on my phone ATM because when I add one only half the screen is touchable, so I can't touch the first 2 rows of numbers. Please let me know if you have any ideas. Thankyou

 

[iCrank]

Can someone please help. I have no passcode on my phone ATM because when I add one only half the screen is touchable, so I can't touch the first 2 rows of numbers. Please let me know if you have any ideas. Thankyou

Just hard reset.