Home  /  Black Friday SIM

Black Friday SIM Only Deals and Offers 2021

The best time to get a SIM only offer in the UK is around the Black Friday period. It may be months ahead, but Half Cooked predicts what the mobile networks in the UK may offer!


Latest Offer: 100GB just for £20 p/m!

Take advantage of a great VOXI deal with 100GB of Data with Endless Social Media + Endless Video and 5G at no extra cost for just £20 a month. The deal also comes with unlimited UK minutes & texts, WiFi Calling, and 4G Calling. No credit checks, no contracts, just commitment-free SIM Only plans. Join VOXI now and you can get up to £20 in Amazon Vouchers. Be quick as their latest deals won’t last.

The official Black Friday sales last for three days, starting from the Friday right after American Thanksgiving, until Monday, also known as Cyber Monday. However, most mobile networks start their Black Friday sales earlier and even continue offering deals for weeks after. The Black Friday period is a great opportunity to get discounted SIM and HS contract deals. Black Friday’s specific date changes each year but this year it falls on the 27th November 2020.

Click on a network below to go direct to their latest offers

Three logoEE logoVodafone logoo2 logo
BT Mobile logoiD mobile logoVirgin logoSky mobile logo
Smarty logoTesco Mobile - small logoVOXI Logogiffgaff Logo

Black Friday 2020 Sales

Three Black Friday 2020

Three offers great deals during the Black Friday Period & this year they slashed the prices on their 12GB data plan, reducing it all the way down to £8 a month. The deal is only available on 12-month contract.

Three is also offering discounted unlimited data plans for 12 month & 24 month SIM only & contract handset deals. The 12-month contract is priced at £16 a month, meanwhile the 24-month unlimited data plans is £17/month. So hurry up and catch these deals before they end!

EE Black Friday 2020

EE is offering a jaw dropping 5G ready 160GB data plan with unlimited texts & minutes for just £20. The deal requires you to sign a 24-month contract, but we think it’s worth it. The Black Friday offer also comes with 6 months free Apple Music, BritBox and MTV Play. Hurry up! This deal is only available !

You want more data? For £23/month you can grab the same deal with 200GB of data! Add £2 a month to that and you’ll also get free Beats X Earphones and you can choose from Apple Music, BT Sport or Amazon Prime Video for the length of your contract.

O2 Black Friday 2020

his Black Friday O2 is offering a unlimited data plan with unlimited UK minutes & texts for just £15 for the first six months, and then £30 after. The deal is a an 18-month contract.

The deal also comes with 5G coverage in certain locations and you get to choose a premium subscription such as Disney+ and Amazon Prime Video to access free of charge. You can roam freely in 75 destinations including USA. This deal ends on 2 December so hurry up!

O2’s SIM only deals are usually on the pricier side, however you get to benefit from O2 Priority & thousands of free Wi-Fi hotspots including O2 WiFi. It’s hard to tell what O2 is cooking for the Black Friday period, but most likely there’ll be a major discount on one or more of their larger data plans.

Vodafone Black Friday 2020

Unfortunately, Vodafone tends to stay grounded during the Black Friday period and this year is the same. The network is offering 100GB of data that comes with 5G at no extra cost, as well as all the other extras you get with a Vodafone Red Plan.

The network also boosted their cheapest pay monthly SIM only plan by 1GB, and now it offers 3GB of data for £6/month. However, this plan doesn’t come with any special features.

Vodafone offers great 4G network coverage in the UK, decent data speeds, and 5G in both the UK and the EU.

SMARTY Black Friday 2020

SMARTY is one of the most wallet-friendly networks out there and they’re currently offering the cheapest unlimited data plan ever in the UK for £15 a month.

The network also made a 20% discount on their 50GB data plan for Black Friday and now it’s priced at £12/month. This deal will end 8 December!

Plusnet Black Friday 2020

Plusnet slashed their prices drastically for Black Friday 2020! You can get their 3GB data plan for just £6 and their 12GB data plan is only £10 at the moment.

Plusnet is powered by EE, meaning you’ll get the most 4G coverage as well as the fastest 4G data speeds in the UK. Make sure to check out our Plusnet Review too!

BT Mobile Black Friday 2020

BT Mobile’s Black Friday 2020 discounts are live! You can now grab double data on selected Black Friday SIM Only offers from the network. The two eye catching deals are 20GB for £15 a month, and 50GB for £20 a month.

Offers end 3 December, so hurry up!

There isn’t a direct discount for BT Mobile’s family mobile plans which we already consider amongst one of the best in the market. The network’s family plans will benefit from the Black Friday discounts and data boosts as well. Offers end 3 December, so hurry up!

iD Mobile Black Friday 2020

iD Mobile has launched their Black Friday event and it’s good! The network is offering the cheapest unlimited data plan ever, priced at £15 per month. The deal is a 12-month contract and it comes with unlimited UK minutes & texts, as well as free EU roaming.

You can also get an 8GB data plan for just £8/month during id Mobile’s Black Friday Sales. This deal is a monthly contract, the network won’t lock you in for a whole year or more.

Powered by Three, iD Mobile already offers quite competitive prices and they offer one of the cheapest unlimited data deals in the UK. Their customers enjoy voice call quality improving perks like 4G Calling and Wi-Fi Calling at no extra cost too.

Tesco Mobile Black Friday 2020

Tesco Mobile is offering major discounts for three of their SIM only plans: 20GB of data for £12.50/month and 50GB of data for just £15/month. They all come with 5000 UK minutes and texts as well as free EU roaming.

Tesco Mobile is powered by O2 and the carrier also offers 5G SIM only deals. Given how O2 recently extended their 5G coverage to 75 cities and towns, we might even see a special deal for Tesco Mobile’s 5G price plans!

Sky Mobile Black Friday 2020

Sky Mobile is offering multiple Black Friday deals this year! The network is offering a huge discount on their 25GB data plan, which was priced at £25/month and now it’s £15 a month!

You can also get 8GB of data for £8/month. All Sky Mobile plans are 12-month contracts and you can enjoy unlimited streaming on Sky Go without using your regular data.

VOXI Black Friday 2020

VOXI’s Black Friday offers are live and we love them! Their 12GB Data plan now comes with 5G and Endless Video! The deal already has VOXI’s amazing Endless Social Media feature and you can get up to £20 in Amazon Vouchers when you pick a VOXI plan for the first time.

The network also lowered the price of their unlimited data plan to £30/month. 15GB data plan now comes with 20GB and 45GB data plan is boosted to 60GB/month. VOXI’s Black Friday deals will be gone at the end of November 2020, so hurry up!

VOXI’s prices are already competitive, plus you get unlimited social media usage on selected apps and you can share it with others by tethering.

Virgin Mobile Black Friday 2020

For Black Friday only, Virgin Mobile is giving an extra 30GB data on their 6GB data plan (36GB in total) for a limited time! This SIM Only deal is now priced at just £13, offering great value with EE’s super fast 4G speeds.

If you’re interested in a cheaper deal with great 4G network coverage, you can have a look at Virgin’s 3GB data for £6/month offer. Both Black Friday offers are 12-month contracts and you’ll have to go through a credit check.

giffgaff Black Friday 2020

Another MVNO using O2 as its network provider is giffgaff and the network offers some of the most flexible SIM only tariffs on the market. We love giffgaff’s goodybags, but them being 30-day rolling offers makes it hard for the network to offer anything special during the Black Friday times.

Looking at the past years, we see that giffgaff always skips Black Friday. The network didn’t offer any special deals in the recent past either and we don’t expect this to change this year.

giffgaff Black Friday 2019 Offers

giffgaff is O2’s low-cost mobile virtual network with super flexible deals. The carrier didn’t launch any special Black Friday offer for their SIM only plans last year or the year before. They were offering significant discounts for their handset deals though.

Expected Launch Date:A week before Black Friday

Expected End Date: Early December 2020


What is Black Friday?

Black Friday is the start of the USA’s holiday season/Christmas shopping period, but over the years it spread across the whole world including the UK. The day actually marks the Friday following Thanksgiving, but most retailers offer heavy discounts on their products for much longer time periods.

When is Black Friday?

Black Friday’s specific date changes every year, because it always takes place right after Thanksgiving in the USA, which is the fourth Thursday of November. This year Black Friday falls on the 27th November 2020.

How long does Black Friday last?

The official Black Friday sales start from the Friday after Thanksgiving, till the next Monday, so it lasts for three days. That Monday is also a special sales day called Cyber Monday. Having said that, most mobile network carriers in the UK start their Black Friday sales earlier and some of the special offers last well into December. So make sure to bookmark this page and come back here, because we’ll be constantly updating it with the latest Black Friday deals.

What’s Cyber Monday?

Cyber Monday is the following Monday that comes right after Black Friday. Ever since online shopping became popular, the Monday after Thanksgiving also became the most popular day for online shopping of the year. Hence some mobile networks in the UK might offer Cyber Monday-specific deals on their websites and aim to drive even more sales. Don’t worry, we’ll update our pages regularly so you won’t be missing out on any special deals. Like we said, bookmark this page to you won’t miss a single deal!