broken phone

https://ibb.co/GVC4D8X What has broken in my Oneplus Nord? My hunch is that water got in through the speaker hole as that's where the mark first appeared before spreading and I dropped it in water a few days prior. Would I be able to fix it myself and if so for how much? What parts actually...

Hi all, I just tried to repair the glass on my Samsung S8+ and borked the digitiser(?) the bit that accepts contact when you touch the screen. The screen is barely legible and it will accept no touch gestures. I had a back up on google so I've put that on my new phone but it only contained my...