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Only a small section of my iPad4 screen works (i.e. accepts input). The screen is not cracked. If I understand correctly, there’s the Touch Screen Digitizer and the LCD lies behind it. Is that correct? Which part would I need? Thank you! Somewhat similar post: iPad 4 Broken Screen issue

u have a bad digitizer bud sorry u can’t calibrate the screen Cuz its apple and yes u have that correct to Ancer your question