I always transfer the from the old flex over to the new one. I'm thinking maybe the giant piece of 'fabric tape' that runs along the entire bottom of the Original digitizer needs to be transferred as well. It covers the digitizer and home flex connections, just under the viewable portion of the glass.
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Edit: But (if this is a solution) then why wouldn't this issue affect ALL iPad Mini Digitizer Glass Replacements?
I always transfer the from the old flex over to the new one. I'm thinking maybe the giant piece of 'fabric tape' that runs along the entire bottom of the Original digitizer needs to be transferred as well. It covers the digitizer and home flex connections, just under the viewable portion of the glass.