Who are SMARTY?

SMARTY exists because there’s a better way to do things. Low costs, straightforward plans, transparent pricing and flexible deals. They even give money back for the data you don’t use. They’re on a mission to put the trust back into our industry by doing things properly. Simple, honest, mobile. No minimum contract, no credit checks and no surprises at the end of the month. Pay in advance and enjoy the flexibility. SMARTY is powered by Three’s strong and reliable 3G network. It covers 97% of the population, with fast speeds for browsing, gaming, downloading and emailing. You’ll also be able to enjoy 4G with SMARTY, where available.

Data Only plans

Now, don’t get us wrong. We’re not saying all sales are bad. We just think great value beats a sale every time. Don’t you? That's why we are now offering a data only SIM, so now you can stay connected on the move! For only £20 per month, get unlimited internet. Perfect for tablets, dongles and mobile broadband. The best thing about SMARTY is that its on a mission to help you save.

It's only from £5 = the base cost of SMARTY data discount plans (unlimited standard calls, texts and running the network). The rest is simply for data. At the end of each month, they take the data you haven’t used and discount your next plan - at a rate of £1.25 per GB. So for 3GB of unused data, you’ll get £3.75 off your next month. They even calculate using remaining MBs, not GBs.

How to use SMARTY?


Insert your SMARTY SIM into the B311 and experience superfast home broadband speeds. 

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Get unlimited data, text and calls with the iPhone 13 Pro Max.

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The ZTE MF79U comes with a free Smarty SIM. It's the perfect staycation and travel product.

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Our exclusive offers are going to make you crazy! Use your SMARTY SIM with a router to connect to multiple devices for streaming and gaming. Want to Netflix and chill on a Friday night? Insert your SMARTY SIM and watch your favourite shows and movies without any hiccups. You can even use a SMARTY SIM with a MiFi or dongle for an instant low-cost internet connection.
That's not all, benefit from unlimited data calls and texts and KEEP your phone number.

How does it work?


Add a free sim to your basket and go to checkout. 


We will pop the sim card in the box with your order.


Once you receive your SIM, simply go to to activate, choose any plan, set-up an account and join SMARTY.

eFones favourite SIM plans:

Unlimited Plan

Enjoy unlimited data for only £20.00 per month.


100GB Plan

Or why not take a look at more of our plans!
Get 100GB of data for only £17.00 a month.

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15GB Plan

Enjoy data for only £9.00 per month.


2GB Plan

Get 2GB of data for only £5.00 a month.

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See full SMARTY terms and conditions.