If you get a used iPhone that has been activated can you put your sim card in it and it work?

The answer is that it depends. It depends on who the phone company was that sold the phone and what sim card you are trying to put in. It can get a little complicated because (MORE)

Does koodo sim cards work on telus phones?

Nope unless the phone is unlocked... This can be done by purchasing unlock codes from any commercial vendors online like Classicunlocking.com And you can have a look up at th (MORE)