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SMARTY mobile plans explained

SMARTY's a new name on the mobile scene, but appropriately enough, it does have some clever ideas. It's a new youth-oriented network operated by Three - now that's a name most people will recognise. Here's what you need to know about it:

What does SMARTY do?

SMARTY offers 30 day SIM-only plans with a strong focus on data. The big idea behind the network is that it offers a discount for any data you haven't used by the end of the month. That money is then taken off your next bill.

Say, for example, you have a 8GB allowance, but only use 5GB. Rather than you losing that data after 30 days like most networks, SMARTY will buy back the extra 4GB for £1.25 per gigabyte. That means you'll get £3.75 off your next bill.

It's a pleasantly straightforward system, and its plans are simple too. There are, appropriately enough, just three SIM-only plans available:

  • Small - gives you 2GB data a month, unlimited calls and texts and, of course, discounts for unused data. This plan will suit lighter users who want to primarily surf, use social media and instant messaging services.

  • Medium - gives you 4GB data a month, unlimited calls and texts and discounts for unused data. This plan is generous enough for most to use the web pretty freely, stream music and use social media.

  • Large - gives you a chunky 8GB data a month, unlimited calls and texts and discounts for unused data. This is for the heavier users out there, particularly if they want to watch video.

If you want to know how much data you need, check out our full guide:

How much data do I need?

SMARTY mobile coverage

As it's owned by Three, SMARTY uses the same network to deliver mobile services. Its 4G coverage now reaches 91% of the population, while indoor 3G coverage now stands at 97%.

Bear in mind those figures aren't the same as geographical coverage - parts of the country will still be unable to get 4G or 3G coverage, so use a coverage checker to see what signal you can get in the areas you frequent.

Network coverage checkers

What's good about SMARTY?

  • Simple, affordable plans
  • Unused data means discounts on your next bill
  • Unlimited standard calls and texts on all plans
  • 30 day contracts, so no commitments
  • Good 4G and 3G coverage
  • Generous data options to suit both casual and reasonably heavy users

What's bad about SMARTY?

  • No handset deals available
  • Not much in the way of perks or extras


  1. If I switch, can I keep my mobile number?

    Yes you can. All you have to do is ask your old network for your Porting Authorisation Code (PAC) before your contract is up. Then give the PAC - likely a nine-digit number - to your new provider and you’ll usually be able to use your old number within a working day.

    For more info, see our guide: Can I keep my mobile number?

  2. How do I switch mobile contracts?

    First, pick a new mobile contract by comparing different packages on our site, and click through to sign up to one that looks good.

    Then, simply contact your current provider to cancel, and switch to the new contract. Providers should walk you through the process when you sign up.

    Compare mobile deals here

  3. Can I use my mobile phone abroad?

    It is possible to use your phone abroad, but before you can do so you may have to activate roaming with your network operator. Different countries incur different charges, but your operator should send you a message about roaming prices upon your arrival. And remember, unlike at home, you may be charged for receiving calls as well as making them.

    If you're travelling within the EU, you can use your usual monthly allowance at no extra cost - whatever network you're with.

    See our guide to using your phone abroad for more info.

  4. How do I check network coverage?

    All networks have a coverage checker on their websites, so check there as your first port of call. These give a good indication of whether you will get a signal in different parts of the country. It’s worth noting that these offer a simplified view of coverage and aren't necessarily 100% accurate, but they give you a good indication all the same.

    See our guide to mobile coverage for more info