Buying a data add-on is really easy. Either use the link in the notification text message or go to, log in to your SMARTY account, click on ‘Buy additional data’ and follow the instructions.

You can choose from 3 add-ons:

  • 1GB
  • 2GB
  • 4GB

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Our add-ons never expire and data costs £1.25 per GB, which is exactly the same as it does with your plan.

After you've bought your add-on

Don't forget that we'll always tell you when you're almost out of data, so don't worry if you buy an add-on and still get a message from us.

It could just be that you've just chosen a smaller add-on to tide you over and you're likely to use up this extra data soon.

It's also worth pointing out that you can have as many add-ons as you like and these will stay in your account until you use them.

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