Hello, I just purchased a Blackberry KEY 2 on Amazon. I think I need to purchase a separate sim card, correct? If so, from where and what kind? :) I currently have a Blackberry Priv and wondering if it's possible to use the sim card from that phone, if it even has one. I'm extremely tech unsavvy. ;( I only use my Blackberry for calling, texting and reading emails. Nothing high tech at all. Thank you!!! ;) ;) ;)