Hey ! My Honor 6 do it as your. If i touch it ( more pressure ), then it is going to be normal. I think that we can find the problem on the screen ribbon cable, bad contact, or something. I disassembled my honor, then i met nothing interesting, just this: Working fine, but how, i dont know. My flickering has begun after a night when i let my phone charging (under the blanket). I took it for repair and there didnt know what's wrong with. I'll try disassembling tommorow, and repair the ribbon cable beetween the screen and the motherboard. Trying to clean up. After i finished i hope that i can say something usefull for you ! :) Have a nice day.