Ghost touch when screen gets pressed

Any dents or dings on the frame?

Sounds like the digitizer isn't lining up right causing the ghost touches. This is usually because the frame is bent causing the digitizer to be pinched for lack of a proper word. I use a G Tool to remove major dents and a file for the little ones. Its always better to take care of every dent you see to prevent this kind of thing.

If there are no dents or removing the dents didn't fix the issue, the problem is going to be on the digitizer connector to the mainboard. A good dose of 99% IPA should clean it out and fix most issues. If that doesn't fix it, examine the connector under a microscope. Any scratches? Any issues at all with the connector? A broken connector is a pretty straight forward hot air solder job. If you see scratches or damage to the traces, you have a fun micro soldering project.

Use plastic tools when disconnecting the digitizer cable to prevent damage to the connector and the board. Its way too easy to use a screwdriver or metal spudger and scratch something that will end up costing you hours in labor for not taking 2 seconds to pick up a different tool.