EVO 3d touch screen

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http://forum.xda-developers.com – hi guys, im having a problem with my evo 3d. it seems the lower part of the screen is not working. so i cannot unlock my phone now. < 0 OK buttons are not working anymore but when i go to camera(no password required for some reason,) that part of the screen is working fine. wanted to know how can i disable the password at least so i can use it and wanted to know if its a software or hardware problem thanks (HowTos)