Reply To: Glass Backs on phones HOME › Forums › Technology › Glass Backs on phones › Reply To: Glass Backs on phones April 1, 2020 at 6:31 pm #28182 Kalle69Participant FUNK: 15,578Rank: Diamond-Back Gorilla WaggishOhio383 wireless charging doesn’t work on metal, but it does work with plastic. I have 2 phones with a plastic back that support wireless charging. I don’t know, but i think it has something to do with metal being too conductive