Unlimited 5G data for £15/month
Get unlimited 5G data, calls, and texts with 20GB global roaming included.¹ Carry over your number now and get your first month for free.*
* Eligible new users who sign up by 31st of October, 2026 and port their number to Klarna Mobile will receive their first month free. This offer is redeemable once per user.
Unlimited 5G data for £15/month
Get unlimited 5G data, calls, and texts with 20GB global roaming included.¹ Carry over your number now and get your first month for free.*
* Eligible new users who sign up by 31st of October, 2026 and port their number to Klarna Mobile will receive their first month free. This offer is redeemable once per user.
Everything you need, plus a little more
Unlimited data for half the price
Get all the 5G data you want for just £15/month. No price hikes, no long term contracts.² Switch once and save every month.
Free to roam globally
Stay connected worldwide with 20GB of monthly roaming data, and never worry about roaming fees again.
Brilliant coverage as standard
Enjoy reliable coverage and lightning-fast speeds across 99% of the UK’s population. Powered by Vodafone.³
Instant support when you need
If you need help with your mobile phone plan, sign in to chat live with a customer service agent via the app, 24/7.
See how we compare
Most unlimited 5G plans sit around £40 a month, often with 24-month contracts and mid-contract price rises. Klarna Mobile is simpler: one fair price, passed directly on to you.
Klarna Mobile
Three
O2
EE
Vodafone
Plan (30-day rolling)
Klarna Mobile
Unlimited SIM
Unlimited Mini
Essentials Plus
Unlimited Plus
Monthly cost
£15
£41
£38
£38
£47
5G data
Unlimited
Unlimited
Unlimited
Unlimited (100Mbps capped)
Unlimited
Roaming
20GB Global
EU included
EU only (25GB cap)
EU only (50GB cap)
EU only, 52 destinations (25GB cap)
Annual price hike
None
£2.50 / month extra
5% every 1 April
£1.80–£2.30 / month extra
3.9% annually
Annual cost (Year 1)
£180
£492
£456
£456
£564
1-year savings with Klarna
-
£312 saved
£276 saved
£276 saved
£384 saved
Based on a comparison of Three, O2, EE and Vodafone plans on 21/09/2026 date compared to the Klarna mobile plan. Plan features, taxes, fees, availability, speed, and coverage may vary. Cost savings projections are estimates based on, but not limited to, current usage patterns, technology landscape, and contractual terms. These projections are not guaranteed and may vary. Klarna is not liable for any discrepancies between the estimated and actual cost savings.
Get rid of your phone bill with Klarna Max
Klarna Mobile is included at no extra cost for Klarna Max members when you bring your number over to Klarna.⁴ Plus, you’ll get airport lounge access, extra cashback⁵, travel perks, and more⁶ — all worth up to £6,000 a year.⁷
Switch over easily in the app
Switching to a Klarna cell phone plan is simple and we'll guide you throughout the process. If you need help, chat live with a customer service agent at any time.
Sign up in the app
Go to your profile in the Klarna app and select 'Mobile plans' to get started.
Keep your number
Create a new number or securely transfer over the one you currently use.
Activate your eSIM
Install your eSIM and get connected in minutes.⁸
Frequently asked questions
Questions about Klarna Mobile? Find your answers here. For any further help or troubleshooting, please contact customer service.
We operate without physical stores or legacy systems, and we pass those savings directly to you. There is also no activation fee for signing up and no yearly price hikes.
Our mobile phone plans cost a flat £15 per month, including VAT. The plan includes unlimited 5G data, talk, and text, plus 20GB of global roaming data.
Currently, Klarna offers one plan: unlimited 5G data, voice, and text, with 20GB of global roaming data.
Yes, you can keep your current phone number when you switch to Klarna Mobile. During sign-up, you’ll have the option to transfer (or “port”) your existing number from your current carrier.
Number porting simply means moving your phone number from one provider to another—for example, if you currently have service with EE, you can transfer that same number to Klarna mobile plans without any interruption.
With Klarna Mobile, you will get reliable signal and high speeds across 99% of the UK on Vodafone’s network.
Yes, a Klarna mobile plan includes 20GB global roaming. Roaming data is available for these destinations here. You may also refer to the Klarna App and the Gigs' End User Service Agreement for the complete list of supported countries.
Yes. You can cancel your Klarna mobile plan up to 24 hours before your renewal date with no cancellation fees. Once you cancel, you’ll only pay for the current billing period, and your plan will not renew.