Smarty is a SIM-only mobile network running on Three’s UK network, with 99% 4G/5G coverage and no annual contracts. Plans roll monthly, from light 5GB bundles right up to unlimited data, making Smarty a great fit for switchers who want flexibility, students on a budget, and anyone fed up with overpaying on a traditional contract. EU roaming is included as standard, with no credit check to join.
Save on EU data with up to 12GB roaming included on Smarty, the SIM-only brand running on Three’s UK network. Use our discount code to add this roaming allowance to your plan at no extra cost before you sign up or top up for your next trip.
Travelling to the EU with a Smarty plan that includes this offer could save you the cost of buying a separate roaming add-on or local SIM, worth £10-£20 on a typical week-long trip.
Anyone can use it – new and existing Smarty customers qualify, with no credit check required to join.
The EU roaming allowance applies to eligible SMARTY SIM-only plans, so check the roaming page for which bundles it covers before you buy.
No – SMARTY runs rolling 30-day plans, so you can add the roaming code whether you’re joining or already on a plan.
No code is required for this offer – the 12GB EU roaming allowance is included as standard on eligible plans.
Up to 12GB of EU roaming data is included at no extra cost, on top of your chosen plan’s UK allowance.
Smarty doesn’t run a dedicated NHS roaming scheme, but NHS staff and blue light card holders can still use this EU roaming offer like any other customer. Check Blue Light Card for any separate live Smarty deals, and see our full Smarty discount codes page for more savings.
Full-time students can verify with Student Beans for a discounted Smarty SIM alongside this roaming offer. There’s no loyalty scheme needed to get the EU roaming allowance – it’s included for everyone on eligible plans.
