ok so this is what happened to me. old sim wont go on new phone which is fine so i get a new small sim which does fit to the new phone. I went to my account and i cant call ppl or recieve texts so im like ok maybe i will just set up a new account and...
I know the difference between micro sd card and sim card. my current phone is the GT-s7560m my old one with the orignal sim card. its quite big and its a public sim card
