Chosen Solution
I recently got my phone screen replaced after dropping it, and within the same day, it randomly inverted the colors. It now inverts the colors back and forth every twenty minutes or so. The 3d touch is also unresponsive at times. What could cause the problem? Should I ask the person who replaced the screen to fix it/replace it again?
I would certainly go back to the repair shop and have them take a look. It is probably a defective replacement screen and this should be covered under warranty.
No dough that is the cause of defective screen.The iPhone x and X-max series have a lot of issues and also sensetive. After screen replacement the unbalance fitting creates that problem or If in the case of copy LCD that the risk is highly.