My mother bought me an old, used iPad from a pawn shop, and when I got it, I thought everything was good. I had checked Contacts and there were no contacts listed. Little did I know, that two hours later, I would get a message on iMessage from someone. I looked, and there's 30+ people on this contact iMessage. I have never even used Apple products.
Help? Thanks.
Read more: How can I completely clear (and block) all of my iMessage contacts?