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My screen to my blackberry 9930 touchscreen is freezy with lines coming across and I can’t see anything at all Update (08/23/2017) My screen to my blackberry 9930 touchscreen is freezy with lines coming across pin#334694ce model#rdu71cw Please advise

Did you drop it? Or did you get it water damaged? Try cheaking inside the phone if a conecting ribbin is loose