Black Friday & Cyber Monday SIM-only deals

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125GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£12.00/mth monthly cost
  • EU roaming included
  • Unrestricted tethering in the UK
  • Free delivery
50GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£12.00/mth monthly cost

(Prices may change during contract) Price could rise by CPI + 3.9% in April

  • EU roaming included
  • Disney+ Subscription Included
  • Free delivery
Unltd 5G data
18 month contract
Unltd texts
Unltd minutes
£25.00/mth monthly cost
  • Speed restrictions apply after 40GB of data use
  • Fair usage policy applies
  • Free delivery
25GB of 5G data
24 month contract
Unltd texts
Unltd minutes
£0.00/mth Months 1-3
£8.00/mth monthly cost

(Prices may change during contract) Price could rise by CPI + 3.9% in April

Avg monthly cost
£7.00/mth
  • Free delivery
Exclusive
16GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£4.00/mth Months 1-3
£8.00/mth monthly cost
Avg monthly cost
£7.00/mth
  • EU roaming included
  • Unrestricted tethering in the UK
  • Free delivery
Exclusive
80GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£5.00/mth Months 1-3
£10.00/mth monthly cost
Avg monthly cost
£8.75/mth
  • No annual price rise
  • First 3 months half price
  • Free delivery
1GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£2.90/mth monthly cost
  • eSIM Available
  • EU roaming included
  • Free delivery
Exclusive
1GB of 5G data
1 month contract
Unltd texts
250 minutes
£0.49/mth Months 1-3
£3.99/mth monthly cost
Avg monthly cost
£3.12/mth
  • Discounted price for 3 months
  • EU roaming included
  • Free delivery
Exclusive
5GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£1.00/mth Months 1-3
£4.50/mth monthly cost
Avg monthly cost
£3.63/mth
  • eSIM Available
  • EU roaming included
  • Free delivery
Exclusive
5GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£0.99/mth Months 1-3
£4.99/mth monthly cost
Avg monthly cost
£3.99/mth
  • Discounted price for 3 months
  • EU roaming included
  • Free delivery
4GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£4.95/mth monthly cost
  • Free EU Roaming
  • Bill Capping
  • Free delivery
5GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£5.00/mth monthly cost
  • EU roaming included
  • Powered by EE
  • Free delivery
5GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£5.00/mth monthly cost
  • EU roaming included
  • Unrestricted tethering in the UK
  • Free delivery
4GB of 5G data
1 month contract
Unltd texts
Unltd minutes
£5.00/mth monthly cost
  • EU roaming included
  • Discounted price for first month
  • Free delivery
3GB of 5G data
1 month contract
1000 texts
1000 minutes
£5.00/mth monthly cost
  • EU roaming included
  • Powered by EE
  • Free delivery
3GB of 5G data
12 month contract
Unltd texts
Unltd minutes
£5.00/mth monthly cost

(Prices may change during contract) Price could rise by CPI + 3.9% in April

  • Free delivery

Compare Black Friday & Cyber Monday 2023 SIM deals

SIMs

Shop around and you save a lot of money on Black Friday and Cyber Monday SIM only deals. Here's where you'll find our pick of the very best, from the likes of O2, Three and Vodafone.

Compare deals

Best SIM only deals for Black Friday & Cyber Monday

Got a phone you love, and just need a SIM to put in it? There are plenty to choose from on Black Friday & Cyber Monday weekend.

Here's our pick of the very best offers on all the major networks, all of which are chosen principally because we think they're really good value for money.

But that's not our only criterion. We'll also highlight deals that include attractive sweeteners, such as free Apple Music or a really comprehensive international roaming scheme.

Our best Three Black Friday SIM deals

Why choose Three: Three's major selling points are good prices and generous allowances. No restrictions on tethering your phone too.

For Black Friday, one of its top SIM deals include a 12-month SIM plan that gives you a whopping 120GB of data for £12 a month.

  • Three sim only
    5G
    • 8GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • £7.00 per month
    12 month contract From Three Mobile
  • Three sim only
    5G
    • 30GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • £8.00 per month
    12 month contract From Three Mobile
  • Three sim only
    5G
    • 120GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • £12.00 per month
    12 month contract From Three Mobile

Our best O2 Black Friday SIM deals

Why choose O2: Excellent benefits and good speeds and coverage. But it's the freebies that you get with the O2 Priority rewards scheme that really seal the deal.

Right now, one of O2's top deals is its 30GB for £8 a month plan, available on a 12-month contract. 

  • O2 sim only
    5G
    • 6GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £6.99 per month
    12 month contract From O2
  • O2 sim only
    5G
    • 40GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £10.00 per month
    12 month contract From O2
  • O2 sim only
    5G
    • 50GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £12.00 per month
    12 month contract From O2

Our best SMARTY Black Friday SIM deals

Why choose SMARTY: SMARTY SIMs are excellent value and come with free EU roaming. And because they're 30-day rolling contracts, you've got the option to cancel at any time with 30 days' notice.

For Black Friday, SMARTY is offering a whopping 80GB for £10 a month (on a flexible one-month plan).

  • SMARTY sim only
    5G
    • 6GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £6.00 per month
    1 month contract From SMARTY
  • SMARTY sim only
    5G
    • Exclusive
    • 16GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £8.00 per month
    1 month contract From SMARTY
  • SMARTY sim only
    5G
    • 125GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • EU roaming included
    • £12.00 per month
    1 month contract From SMARTY

Our best Lycamobile Black Friday SIM deals

Why choose Lycamobile: One of the cheapest mobile networks around, Lycamobile's plans crucially come with inclusive international minutes and cheap dialling rates.

For Black Friday, Lycamobile is offering a one-month contract that gives you 15GB for a mere £1.99 per month for the first six months (rising to £8.50 per month afterwards).

  • Spusu sim only
    5G
    • 1GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • eSIM Available
    • £2.90 per month
    1 month contract From Spusu
  • Spusu sim only
    5G
    • 1GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • eSIM Available
    • £2.90 per month
    1 month contract From Spusu
  • Spusu sim only
    5G
    • 1GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • eSIM Available
    • £2.90 per month
    1 month contract From Spusu

Our best giffgaff Black Friday SIM deals

Why choose giffgaff: giffgaff's plans are budget-friendly and flexible. You have plenty of choice when it comes to data allowances and contract lengths, whether you prefer pay-as-you-go, monthly rolling deals or 18-month contracts.

For Black Friday this year, giffgaff is offering 500GB for £20, on an 18-month contract. Not to mention, customers also get an £80 gift card and increased data for the first six months.

  • GiffGaff sim only
    5G
    • 40GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • £10.00 per month
    1 month contract From giffgaff
  • GiffGaff sim only
    5G
    • 40GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • £10.00 per month
    1 month contract From giffgaff
  • GiffGaff sim only
    5G
    • 40GB of 5G data
    • Unlimited minutes
    • Unlimited texts
    • download speed limit
    • £10.00 per month
    1 month contract From giffgaff
Frequently asked questions

When is Black Friday and Cyber Monday in 2023?

The dates for your diary for Black Friday and Cyber Monday this year are November 24th and November 27th respectively. 

But networks typically launch their cheap Black Friday SIM deals weeks ahead of the big day. So you can start shopping for a bargain much earlier. 

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