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

Cheap BT Sim cards

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

Sim card

Is BT Mobile a good network?

BT Mobile is a Mobile Virtual Network Operator (MVNO) which uses EE's mobile network (also owned by BT) to provide its mobile coverage.

In our most recent customer service poll, BT Mobile scored 6.7/10 based on 153 votes.

Does BT Mobile offer Sim plans for bad credit?

Sadly not. BT Mobile says that it will carry out a credit check as part of an application with it.

The cheapest BT Mobile Sim

The cheapest BT Mobile Sim costs £13/month and it currently offers unlimited minutes & texts and 5GB/month data over a 24-month contract. If you have BT Broadband already, you can get it cheaper. See cheap BT Mobile Sims.

Can I keep my mobile number if I switch to a BT Mobile 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 BT Mobile which should move your number over within one working day.

Can I get 5G enabled BT Mobile Sims?

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