Giffgaff SIM only deals Updated: 2025-12-11 15:52:19
Giffgaff offer great value, total flexibility, and no sneaky price hikes — all powered by O2
Giffgaff offer great value, total flexibility, and no sneaky price hikes — all powered by O2
- Choose 18-month or rolling monthly plans
- Unlimited data options with 5G at no extra cost
- EU roaming included (up to 5GB)
giffgaff SIM only 2Gb
1£6 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only 5Gb
2£8 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only 20Gb
3£10 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only 26Gb
4£12 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only 50Gb
5£15 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only 100Gb
6£20 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only 200Gb
7£25 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only Unlimited
8£35 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only 6Gb
9£8 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only 25Gb
10£10 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only 50Gb
11£12 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only 100Gb
12£15 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only 200Gb
13£20 per month
(prices may change during contract)
No up-front cost
giffgaff SIM only Unlimited
14£25 per month
(prices may change during contract)
No up-front costAll you need to know about Giffgaff Mobile
Affordable, flexible, and powered by O2 – Giffgaff makes mobile simple.
Launched in 2009, Giffgaff Mobile has grown into one of the UK’s most popular SIM-only providers. Owned by O2, it runs on their network, giving you 4G and 5G coverage across the country. Their active online community handles most customer support, helping to keep costs low and pass the savings directly to you.
Let’s take a closer look at what Giffgaff has to offer.
What’s New with Giffgaff
Giffgaff keeps getting better! Here’s a quick snapshot of the latest features and updates:
- eSIM support for all customers – activate your plan digitally without waiting for a physical SIM.
- Wi-Fi Calling and VoLTE – make calls over Wi-Fi when signal is weak, with clearer, faster call quality.
- 18-month SIM-only contracts – one of the few providers with no mid-contract price rises.
- New and refurbished phones – get the latest devices alongside your SIM plan.
- Travel data add-ons – top up your data allowance while roaming in the EU and selected destinations.
SIM-Only Plans and Contracts
Giffgaff is all about flexibility. While they’re famous for their monthly rolling plans, they now also offer 18-month SIM-only contracts — one of the few providers with no mid-contract price rises.
All plans and contracts include:
- Unlimited minutes and texts
- Data allowances from 500MB up to unlimited
- Rolling monthly plans that can auto-renew
- The ability to change your plan whenever you like
For those who prefer traditional pay-as-you-go, Giffgaff still offers that too, but the monthly rolling plans usually give better value — especially for data.
Plus, you can now grab new or refurbished phones from Giffgaff alongside your SIM plan, including Apple, Samsung, Sony, Nokia, and Huawei.
Why Choose Giffgaff Mobile?
Online Community Support
Instead of standard call centres, Giffgaff has an active community of members ready to help with any questions.
In the Ofcom comparing service quality report(published on 22nd May 2025), Giffgaff scored well above the average on overall satisfaction with provider at 94%.
Payback Rewards
Get £5 Payback every time you bring a friend to Giffgaff, plus extra rewards for helping in the community. Points can be converted into cash, credit, or donated to charity.
Flexible Plans
Monthly rolling plans can be upgraded or downgraded whenever you like. Need more data for a month? No problem. Looking to save a bit? Simply reduce your plan.
Coverage
Giffgaff is an MVNO powered by O2, Giffgaff gives you excellent UK coverage – 99% of the population can get connected.
No credit check
No plan requires a credit check — not even the 18-month contracts. Perfect for anyone with a lower credit score, just starting out, or looking for a hassle-free switch.
Wi-Fi Calling and VoLTE
Giffgaff now supports Wi-Fi Calling and VoLTE (Voice over LTE) for all customers. This means you can make calls and send texts over Wi-Fi when mobile signal is weak, and enjoy clearer, faster call quality on 4G and 5G networks. Just make sure your device supports these features — most modern smartphones do.
Tethering & Hotspots
You can tether your device and use your mobile data on laptops or tablets. Plus, Giffgaff customers get access to around 8,000 free WiFi hotspots across the UK and WiFi on the London Underground via Virgin Media.
eSIM Support
Giffgaff now offers eSIMs to all customers, letting you activate your plan digitally without needing a physical SIM. It’s fast, flexible and comes at no extra cost.
Roaming with Giffgaff
Going abroad? Giffgaff makes roaming simple. You can use up to 5GB of your plan allowance in the EU and selected destinations at no extra cost. Beyond that, data charges are 10p/MB.
If you need more data while travelling, you can purchase a travel data add-on to top up your allowance and avoid extra charges.
Frequently asked questions
Can I get unlimited data with Giffgaff?
Yes – the unlimited plan gives unlimited data, calls, and texts.
Which network does Giffgaff Mobile use?
Giffgaff runs on the O2 network, offering 99% population coverage in the UK.
Can I keep my current phone number if I switch to Giffgaff?
Yes, it is usually possible to keep your number. You will just need to request a PAC code from your existing network. After you’ve received and activated your Giffgaff SIM, they will give you a link to transfer your old number.
Can I get a handset from Giffgaff?
Yes, both new and refurbished phones are available from major brands including Apple, Samsung, Sony, Nokia, and Huawei.
How do I switch to Giffgaff SIM only?
Switching to Giffgaff SIM only couldn't be easier. Once you have found the deal you want, simply click the ‘View Deal’ button. This will take you to Giffgaff’s website, who will guide you through the rest of the process. Or you can click the link below to go direct to the Giffgaff website.
