Free giffgaff SIM Card + £10 Bonus Credit
Order your free giffgaff SIM today and receive £10 bonus credit after activation. Flexible no-contract plans on the O2 network.
*Bonus subject to giffgaff referral terms and activation requirements.
- Runs on O2 Network
- Free UK Delivery
- Keep Your Number
- No Contract
Why giffgaff
Why UK customers choose giffgaff
Honest pricing, real flexibility, and reliable O2 coverage — without the long contracts.
Flexible monthly plans
Rolling 30-day goodybags. Switch plan or leave any month with no exit fees.
Pay-as-you-go options
Only pay for what you use, or pick a low-cost goodybag from £6/month.
O2 network coverage
Reliable 4G and 5G coverage across the UK on the trusted O2 network.
Easy switching
Bring your existing number across in minutes with a free PAC code.
No long contracts
No 12 or 24-month tie-ins. No credit checks. Cancel any time.
UK-wide service
Used by millions across the UK with UK-based community support.
How it works
From order to £10 bonus in 4 steps
- Step 1
Order free SIM
Request your free giffgaff SIM through our partner link.
- Step 2
Receive SIM in the post
Free UK delivery, usually within 2–3 working days.
- Step 3
Activate online
Pop the SIM in your phone and follow the quick activation steps.
- Step 4
Receive bonus credit
Eligible new customers receive £10 bonus credit after activation.*
Real feedback from UK SIM customers
"SIM arrived in two days and switching my number was painless. Coverage has been spot-on."
James
Leeds
"I was paying double on my old contract. Same coverage, way cheaper, and no contract to worry about."
Sarah
Manchester
"Activated in minutes and got the £10 bonus. Easy way to test a new network risk-free."
Ali
Birmingham
"Free SIM, kept my number, and the monthly plan is genuinely flexible. No surprises."
Megan
Bristol
FAQ
Free giffgaff SIM questions
Quick answers about the free SIM, £10 bonus, number transfers, and no-contract plans.
Ready to switch?
Order your free giffgaff SIM through our partner link and claim £10 bonus credit after activation.
- Free SIM delivery
- Keep your number
- O2 network
- No contract
*Bonus subject to giffgaff referral terms and activation requirements.