@desmond17280 this "involuntary pressing of keys on its own" is ghost touch :-) You will need to replace your display since the assembly is becoming faulty.
Since ifixit does not yet have a guide for this, use something like [https://www.youtube.com/watch?v=C1FOeWqqMpg|this video] Replacement displays are readily available at many online stores.
While you work on your phone, take lots of pictures. Once you are done with it, take those pictures and create a guide for iFixit. That will help the next person that has a device with the same issues as you do. It's easy and fun to create these guides. https://ifixit.com/Guide/new The iFixit community will appreciate this.
Repair is War on Entropy!