iphone 8 plus wifi

I have an 8 Plus 256gb red which is badly damaged after falling on the street from my pocket while biking last year. I purchased it on May 2019. I am not sure what do with it. It is still under warranty from the shop I bought it from until May 2021. Shall I go to an Apple Store and ask for a...

Just curious to know if any other iPhone 8 Plus owners have had wifi connection problems. Also phone would not work with cellular data. We had replacements iPhone 8 plus & did not work even after apple tech support indicated they could not fix it. I ended up replacing the phone with iPhone X...