Giffgaff SIM Card UK | £5 Free Credit | 4G & 5G Ready | No Contract PAYG | 3-in-1 Nano Micro Standard | O2 Network

✅ £5 free bonus credit — top up £10 or more to activate and you'll receive £5 credit automatically, no contract required

✅ Completely free SIM card — no hidden charges, no commitment required to order

✅ 3-in-1 multi-SIM — fits Nano, Micro, and Standard SIM slots, works with any modern smartphone, tablet, or mobile device

✅ Runs on O2's network — one of the UK's largest and most reliable mobile networks with wide 4G & 5G coverage

✅ 4G & 5G ready — superfast speeds at no extra cost on a compatible handset in a 5G coverage area

✅ No contract & no lock-in — complete freedom to switch plans or cancel at any time

✅ Flexible Goodybag plans — choose from PAYG or rolling monthly plans including data, calls & unlimited texts from just £6/month

✅ Keep your existing number — request a free PAC code from your current provider and transfer with ease

✅ Easy online activation — activate at giffgaff.com in minutes and top up as little or as much as you like

✅ Posted 1st class — fast Royal Mail delivery straight to your door

Why giffgaff?

Giffgaff is one of the UK's most popular no-contract networks, built on the O2 infrastructure — meaning you get excellent nationwide coverage without being tied into a lengthy deal. Whether you're switching from another provider, setting up a spare SIM, or just trying out a new network, this free SIM is the easiest way to get started. Activate it the same day it arrives and you're good to go.

Popular Goodybag Plans

Once your SIM arrives, visit giffgaff.com to pick a plan:

• £6/month — 5GB data + unlimited calls & texts
• £10/month — 15GB data + unlimited calls & texts
• £15/month — Unlimited data + unlimited calls & texts

Plans are fully flexible and rolling — change or cancel any month, no questions asked.

Plans subject to change — visit giffgaff.com for the latest pricing

How to Activate

1. Insert the SIM into your phone (snap to the correct size — Nano, Micro, or Standard)
2. Visit giffgaff.com/activate
3. Top up to activate your number
4. Choose your Goodybag plan and you're away!