MoneySavingExpert Founder, Martin Lewis · Editor-in-Chief, Marcus Herbert Chair, Martin Lewis · Editor, Marcus Herbert

Cheap Smarty Sim cards

Here are the cheapest Smarty Sim deals. All deals are for new customers of Smarty. Existing customer? Call your provider to see if it'll offer you it (see haggling help).

Sim card

Is Smarty a good network?

Smarty is a Mobile Virtual Network Operator (MVNO) which uses Three's mobile network provide its mobile coverage. It's also owned and operated by Three.

In our most recent customer service poll, Smarty scored 7.4/10 based on 105 votes.

Does Smarty offer Sim plans for bad credit?

Smarty doesn't carry out credit checks when you apply for one of its one-month rolling Sims.

The cheapest Smarty Sim

The cheapest Smarty Sim costs £5/month and it currently offers unlimited minutes & texts and 4GB/month data. It's a one-month contract so you can cancel anytime. See cheap Smarty Sims.

Can I keep my mobile number if I switch to a Smarty Sim-only deal?

Yes, you can keep your old mobile phone number. If you're moving from another network, you'll need to text 'PAC' for free to 65075 to request your PAC (porting authorisation code). You will need to provide this to Smarty which should move your number over within one working day.

Can I use my Smarty Sim abroad?

You can use your UK allowances throughout the EU on all Smarty plans.

Can I get 5G enabled Smarty Sims?

Yes, Smarty offers 5G on all of its plans. However, be aware you'll need a 5G-compatible phone too.