Refer a Friend: If you know someone looking for a new phone network, you can earn up to £15 when you refer them to giffgaff. Just send your friend your referral link, and when they join ...

Before signing up for a new phone deal, read our review of Giffgaff ... You can do this online or by buying a voucher in selected shops, and you can set up goodybags to automatically recur each month.