Sure it’s not that he no longer is able to use his phone? (Just kidding)

Really? What happens if you turn off wifi or bluetooth? Last I checked, they will turn back on after some time. (But haven’t had an iphone in some time now)

About 100m. See pictures in article I linked to.

https://www.nrk.no/trondelag/bat-pa-grunn-i-trondheimsfjorden-1.17427456

More pictures and videos in norwegian article.

Reminds me of this great bit https://www.youtube.com/watch?v=hx_f6QdlW2U