Black Friday has a way of turning a simple job into a research project. Twelve tabs open, three deals that look the same, and small print you'll read properly at midnight. All you wanted was a SIM only deal with enough data and no contract to regret in January.
So here's the short version. SMARTY's Black Friday SIM only deals add extra data to two plans: 80GB for £10 a month, or 200GB for £15 a month. Both are limited-time offers.
Black Friday SIM only deal: 80GB for £10 a month
Our 40GB plan now comes with 80GB, for the same £10 a month. It suits you if you stream, scroll and use maps on mobile data most days. Not sure how much you use? Our guide to how much data you need will help you work it out.
- 80GB of data for £10 a month, up from 40GB.
- 5G and 4G data, with 5G on phones that support it.
- Unlimited UK calls and texts.
- A one-month plan, so you can cancel any time.
- SIM or eSIM.
Black Friday SIM only deal: 200GB for £15 a month
Our 150GB plan now comes with 200GB, for the same £15 a month. It suits heavy users and households sharing one connection, because you can use your phone as a hotspot with all your data in the UK, with no speed caps.
- 200GB of data for £15 a month, up from 150GB.
- 5G and 4G data, with 5G on phones that support it.
- Unlimited UK calls and texts.
- Hotspot and tethering with all your data in the UK, with no speed caps.
- A one-month plan, so you can cancel any time.
Which SMARTY Black Friday SIM deal is right for you?
Still deciding? Here's the side-by-side.
| Plan | Price a month | Data | Usual data | Best for |
|---|---|---|---|---|
| 80GB SIM only deal | £10 | 80GB | 40GB | Streaming, social media and maps on mobile data most days |
| 200GB SIM only deal | £15 | 200GB | 150GB | Heavy use, hotspot use and households sharing one connection |
What makes a good Black Friday SIM only deal?
A big data number is easy to print. A good deal also holds up on the boring bits. These are worth checking for any SIM only deal, ours included:
- What the monthly price is once the offer ends.
- How long you're tied in. New to this? Here's what a SIM only deal is, and how it compares with a contract.
- Whether the price can go up during the deal.
- How long the extra data lasts.
- Whether you can keep your number.
- What it costs to leave.
Why choose SMARTY for a Black Friday SIM only deal?
- One-month plans. You can cancel or change any time, with no contract to untangle.
- No credit check.
- 5G at no extra cost on 5G-ready phones.
- EU roaming included, with a 12GB fair use limit. Here's how roaming with SMARTY works.
- SIM or eSIM. An eSIM gets you started in minutes, once you've checked your phone is eSIM compatible.
- Keep your number. Here's how to switch and keep it.
Black Friday SIM only deals: FAQs
Does SMARTY have Black Friday SIM only deals in 2026?
Yes. SMARTY's 2026 Black Friday SIM only deals are 80GB for £10 a month and 200GB for £15 a month, both with unlimited UK calls and texts.
Is Black Friday a good time to buy a SIM only deal?
It can be, if the deal fits how much data you use. The monthly price, the length of the contract and the cost of leaving matter as much as the data headline.
When is Black Friday 2026?
Black Friday 2026 is on Friday 27 November, and Cyber Monday is on Monday 30 November.
