Skip to main content

BT Mobile SIM Only Deals

BT Sim Only Deals offer Unlimited Calls and Texts, you get access to over 5 million BT Hotspots saving your data whilst you're out and about. BT also offers a 30 day money back guarantee and the ability to change your data allowance every month to suit your needs.

Looking to save even more money, then add two or more sim deals on the same plan and save money with Family SIM.

Compare the best and cheapest BT Mobile SIM Only deals below.

Which SIM card does my mobile phone use

  1. Choose the manufacturer of your mobile phone
  2. Choose Your mobile phone

Mobile phone outline
Standard Sim Card
Nano Sim Card

Our Best Selling Deal

BT Multi SIM

  • Unlimited texts
  • Unlimited minutes
  • 1Gb data
  • 12 Months contract
  • £14.00 per month
  • Total cost:£168.00
order from:

See this deal

Showing 10 of 10 sim

Multi SIM
12 months contract
1Gb data
Unlimited minutes
Unlimited texts
£14.00 per month
£168.00Total cost:
order from: See this deal

The Casual Usage Sim Only Plan

  • Unlimited minutes and texts
  • 5 million BT Wi-Fi hotspots
  • Change your data monthly
  • 30 day money back guarantee
  • Get 4G in more places
  • Use your UK calls, texts and data abroad in 47 destinations at no extra cost
Multi SIM
12 months contract
6Gb data
Unlimited minutes
Unlimited texts
£17.00 per month
£204.00Total cost:
order from: See this deal

The Perfect All Rounder Sim Only Plan

  • Unlimited minutes and texts
  • 5 million BT Wi-Fi hotspots
  • Change your data monthly
  • 30 day money back guarantee
  • Get 4G in more places
  • Use your UK calls, texts and data abroad in 47 destinations at no extra cost
Multi SIM
Free £25 BT Reward Card
12 months contract
15Gb data
Unlimited minutes
Unlimited texts
£20.00 per month
£240.00Total cost:
order from: See this deal

+ Free £25 BT Reward Card

The High Data Sim Only Plan

  • Free BT Sport on mobile
  • Free Extra Speed 4G
  • Unlimited minutes and texts
  • 5 million BT Wi-Fi hotspots
  • Change your data monthly
  • 30 day money back guarantee
  • Get 4G in more places
  • Use your UK calls, texts and data abroad in 47 destinations at no extra cost
Multi SIM
Free £35 BT Reward Card
12 months contract
20Gb data
Unlimited minutes
Unlimited texts
£25.00 per month
£300.00Total cost:
order from: See this deal

+ Free £35 BT Reward Card

The High Data Sim Only Plan

  • Free BT Sport on mobile
  • Free Extra Speed 4G
  • Unlimited minutes and texts
  • 5 million BT Wi-Fi hotspots
  • Change your data monthly
  • 30 day money back guarantee
  • Get 4G in more places
  • Use your UK calls, texts and data abroad in 47 destinations at no extra cost
Multi SIM
Free £45 BT Reward Card
12 months contract
100Gb data
Unlimited minutes
Unlimited texts
£35.00 per month
£420.00Total cost:
order from: See this deal

+ Free £45 BT Reward Card

The Heavy Streaming Sim Only Plan

  • Free BT Sport on mobile
  • Free Extra Speed 4G
  • Unlimited minutes and texts
  • 5 million BT Wi-Fi hotspots
  • Change your data monthly
  • 30 day money back guarantee
  • Get 4G in more places
  • Use your UK calls, texts and data abroad in 47 destinations at no extra cost

Cashback

Guaranteed/Automatic Cashback
Your guaranteed/automatic cashback will be paid by BACS directly into your bank account within a certain number of days after connection. Please check the exact number of days when you purchase your product.

Cashback by Redemption
Cashback by redemption usually means you have to claim the money from the company. They will supply instructions when you purchase your product. You have to be an organised person for this type of offer. But if your are, then there are some GREAT deals to be had.

You usually have to send them a voucher or your mobile phone bill several times over the length of your new contract, to prove your are still connected to the network and paying your bill. An example from MobilePhonesDirect is shown below:

The cashback is claimable by instalments in months 6, 9, 12, 15 and 18 and instructions on how to claim will be provided with your order.

Cashback will become void for customers who disconnect from the network prior to their payment being made.

BT Mobile SIM Only FAQs

Yes it will. Whichever size of SIM card your existing phone or tablet takes, a BT Mobile Multi SIM card will fit. Just pop out the size you need, either standard, micro or nano, and place it into your tablet or phone.

Yes you can. Just follow the steps below:

Make sure you can switch network: Check with your existing network to make sure there are no cancellation charges if you switch to BT Mobile. These cancellation charges will usually apply if you are still within the contract time length of your current contract.

Choose your new BT Mobile SIM Only deal: Keeping your existing mobile phone and taking out a BT Mobile SIM Only contract is a great way of saving money, in some cases it could half your current monthly cost. We have lots of BT Mobile SIM Only deals for you to choose from.

Get a Porting Authorisation Code (PAC code): Once you have decided to leave your exisitng network and choosen your new BT Mobile SIM Only deal, you need to call your existing network and ask them for a PAC Code. If you phone your existing network up, Ofcom have insisted that they have to give you your PAC Code immedialety. At this stage your network may try to tempt you to stay with them, offering you a better deal.

Give your PAC code to your new network: If your existing network has been unable to tempt you to stay with them, call up BT Mobile and give them the PAC Code you got from your exisitng network, once you have given BT Mobile your PAC Code, it usually take 24 hours for your mobile phone number to be switched.

4G comes as standard on all BT Mobile purchases. BT Mobile's uses EE network which was recently voted 'Best Network Coverage' and 'Fastest Network' in the USwitch 2017 Awards. 85% off EE's customers said they were satisfied with their reception. EE brings you 4G in more places than any other UK network, and they’ve made it their ambition to deliver 4G to 95% of UK landmass by 2020. With EE, you'll get superfast 4G, and have access to 4G+ (three times faster than 4G). So if you're downloading an HD film or a full album it will arrive in seconds not minutes.

Check EE's signal strength in your area with the ofcom network checker.