Also works with tablets, dongles and more.

Our Unlimited data  SIM only plans  also work with tablet and mobile broadband devices like dongles and WiFi routers. Simply choose your plan, pop your SMARTY SIM in, and you’re good to go.

Why choose SMARTY?

SIM only, unlimited data

No contracts, no credit checks and no surprises at the end of the month with our Unlimited SIMs.

Unlimited data plan, no speed restrictions

All the internet you need without worrying about hefty bills and data speed restrictions. You can tether it too!

Unlimited UK calls and texts – on all plans

Call your friends and family as much as you want. No catch.

Epic 4G Coverage

We’re powered by the expansive Three network, which means fast 4G or 3G for 98.3% of the UK population.

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Check our 4G & 3G coverage

SMARTY connects to 4G network wherever it can. SMARTY is not compatible with 2G handsets.

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No need to change your number

As soon as your SIM is activated you can port your number to SMARTY. You’ll just need a PAC code from your current network.


Adding data or credit

If you run out of data it’s £1.25 per GB - the same as it costs in your plan. To call an 084 or 087 number you can add credit in £5 increments. Add-ons never expire.

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A bit about tethering

You can tether and hot-spot all of your data with no speed restrictions.


Contacting us

The SMARTY team are available to chat online 8am to 8pm, 7 days a week (excluding Bank Holidays). Go to the contact us page and click the little green icon in the bottom-right to start.


Calling abroad

You can now use SMARTY to make calls to other countries from the UK. Calls and texts are taken from your cash balance. See the prices where you want to call.


Roaming & International

You can now use your SMARTY plan abroad. In the EU it works like normal. Outside the EU, or to call internationally, you need to top up your cash balance. See the prices where you’re going.


About our pricing

Everything you need to know about our: prices, discounts, offers and Add-Ons if you’re a customer of ours. See our price guide.