Giffgaff SIM Card - Pre-Activated & Ready to Use (UK)
£35
Credit your account: You perform the official Giffgaff Top-Up via the Giffgaff website/app. Since Giffgaff uses the O2 network, O2 top-up vouchers will work on Giffgaff. The credit/top-up is paid by you directly to Giffgaff.
