I iPhone showing a unknown error
Why does my iPhone pro max do an unknown error occurred when I put in the codes for call forwarding and everything else?
Why does my iPhone pro max do an unknown error occurred when I put in the codes for call forwarding and everything else?
Probably because the codes aren’t the right codes for your carrier. You should never mess with vertical service codes; you can really mess up your cellular service, and they vary from one carrier to another.
If this happened to me, I would do two things:
I iPhone showing a unknown error