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I tried to replace my screen everything went pretty smoothly but had an issue attaching connectors.. I powered screennon and it worked but the touch screen didn’t. I went back to try and secure the connectors better. Nothing seemed to work. Not sure whatnot so can someone help?? I would even send my iPad mini screen to someone to help fix. Let me know
If it was just the LCD you replaced it sounds like you also need to replace the digitiser (front glass). If you replaced both the LCD and digitiser you may have got a defective digitiser. If you git it from a reputable source they should replace it for you without a problem.