Giffgaff run on the o2 network and you can either use o2 locked phones or any unlocked phone
If your phone is locked to another network, then use Unlockipedia to get it unlocked.

giffgaff unlockapedia will help you get your phone unlocked

Just click the image on the left


To order a FREE giffgaff sim with £5 FREE credit on it Go to or

Click this banner
Click on the banner on the left to order a sim card with £5 FREE credit on it