Can you use a virgin mobile sim card on an AT&T iPhone?

If you have a virgin mobile phone and take the sim card and put it in the iPhone will it work? Or do you need to unlock it or something

Virgin Mobile is CDMA (no Sim card) and AT&T is GSM (Sim card) so the answer is no because Virgin Mobile doesn't use Sim cards

If your iPhone is locked to At&t network then you have to unlock your iPhone and then you can use it with Virgin Sim card. If your mobile is already unlocked then you can use your Virgin mobile in it. If you want to unlock, I recommend you to go for a site http://www.mobileunlocksolutions.com/ .Here you can unlock your mobile Cheaply and safely. They unlock your mobile with out Jailbreaking it. So It's very useful to you. If you wish you can visit the site For more Details…