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Best Three deals: Get unlimited data SIM-only deals, cheap phone contracts and bargain broadband

Max Figgett
14 Jan 2022
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We've rounded up the very best Three deals for you, allowing you to save on a phone, SIM-only contract and 4G or 5G home broadband

Now’s the time to commit to one of Three’s best deals. Whether you’re sticking with an existing handset and signing up to a SIM-only plan, treating yourself to a brand-new phone with a pay-monthly contract or looking for plug-and-play broadband, Three’s website has plenty to offer.

There are plenty of perks with Three. It offers the most 5G zones across the UK, which equals supercharged streaming, pixel-perfect gaming and uber-speedy downloads. Switching network providers, while keeping your number, has never been easier, and its unlimited data plans come with no caps or limits. Tempting, right?

To save you the trouble of sifting through the numerous deals, we’ve done the maths to bring you Three's best January deals.


The best Three deal this January

Unlimited data for £10.50/mth for six months PLUS £50 gift card

Big data user? Sign up to Three's 24-month unlimited SIM-only tariff to get the first six months for half price. That works out at just £10.50 per month and then £21 a month from the seventh month. That buys you unlimited texts and minutes, 5G internet at no extra cost, a personal hotspot and Go Roam Around the World. Even better, Three will throw in a free £50 gift card as a thank you for switching to its service.

Buy now from Three


The best phone contract Three deals

Xiaomi 11T Pro with unlimited data for £23/mth

It's fair to say that we were bowled over by the Xiaomi 11T Pro, awarding it five stars and a coveted Best Buy award in our original review. In particular, we praised its extraordinary value for money, accurate 120Hz display and rapid charging, calling it “pretty much the complete package”. That makes this deal, which includes unlimited data for £23/mth for the first six months of a two-year plan, unmissable. From month seven, the price will rise to £46/mth, but you're still saving £138 over the 24 months. An upfront fee of £29 applies.

Buy now from Three


2. Samsung Galaxy S20 FE 5G with unlimited data for £25/mth


In January, Three is offering the chance to get the excellent Samsung Galaxy S20 FE 5G with unlimited data for just £25 for the first six months of a 24-month contract. The monthly cost then rises to £50, but you'll still save a whopping £150 over the course of the plan. This deal is for the 128GB version of the phone with a choice of six colours, as well as the usual complement of unlimited texts and minutes. There's an upfront fee of £29 for the handset.

Buy now from Three


3. Samsung Galaxy S21 5G with unlimited data for £27.50/mth


We gave the Samsung Galaxy S21 5G five stars in our glowing review and now you can get it for less with this attention-grabbing Three deal. As with the Galaxy S20 FE 5G above, you get unlimited data for £27.50 per month for the first six months, which then rises to £55 per month. That saves you a massive £165 over the course of the 24-month contract. An upfront cost of £29 applies.

Buy now from Three


4. OnePlus 9 Pro 5G with 100GB of data for £29/mth


The OnePlus 9 Pro 5G offers a smart design, rapid performance, a Hasselblad camera and a smooth, 120Hz display. Throw in 100GB of data, 128GB of storage and a choice of two colours for £29 per month for the first six months of a two-year contract and you've got a brilliant January deal. The price will rise to £58 per month after that, leading to a huge overall saving of £174. An upfront cost of £29 applies.

Buy now from Three


5. iPhone SE (2020) with 30GB of data for £30/mth


This January, you can grab the best-value iPhone, complete with a lightweight design and impressive camera, for £30/mth with 30GB of data on a two-year contract, rather than £38/mth. That's a huge saving of £192. This offer gets you 64GB of storage and a choice of three colours, with an upfront fee of £19.

Buy now from Three


6. Samsung Galaxy A52s 5G with 30GB of data for £30/mth


You can get the sibling of the five-star Samsung Galaxy A52 5G with 30GB of data and 128GB of internal storage for just £30/mth instead of £38/mth on a two-year plan. That will save you a very decent £120 over the 24 months. The Galaxy A52s is an excellent choice if you're after speedy performance, 5G compatibility and crisp photos on a budget. An upfront fee of £19 applies.

Buy now from Three


7. Oppo Find X3 Pro 5G with unlimited data for £32/mth


We almost ran out of superlatives to describe the five-star Find X3 Pro 5G and praised its silky-smooth 6.78in AMOLED screen, drop-dead gorgeous looks, brilliant quartet of cameras, speedy internals and fast charging. With this peach of a January deal, you're getting the 256GB version of the handset with unlimited data for just £32 per month for the first six months of a two-year contract. The monthly cost will then rise to £64, but you're still saving £192 over the 24 months. An upfront fee of £29 applies.

Buy now from Three


8. Apple iPhone 13 Pro with unlimited data for £35.50/mth


Phone contract deals don't get much better than this: 50% off the hugely impressive iPhone 13 Pro for the first six months of a two-year plan, reducing your monthly payment to just £35.50. The price will then rise to £71 per month, but you're still saving £213 over the course of the contract. As ever, the price includes unlimited texts and minutes, as well as the Go Roam Around the World international bundles, and the offer is for the 128GB model in a choice of four colours. An upfront cost of £69 applies. 

Buy now from Three


9. Apple iPhone 13 Pro Max with unlimited data for £38/mth


“Bigger is better” was the conclusion of our iPhone 13 Pro Max review in which we praised the high-end handset's long battery, macro photography, screamingly fast performance and smooth 120Hz display. This deal nabs you the 128GB model in a choice of four colours, along with unlimited data for £38 per month for the first six months of a two-year contract. The price will then increase to £76 per month, which means you're saving a massive £228 over the course of the 24 months. An upfront cost of £89 applies.

Buy now from Three


10. Samsung Galaxy Z Flip3 5G with 100GB of data for £57/mth PLUS free Samsung Galaxy Watch 4 worth £249


If you've been waiting for a decent foldable phone to become affordable, now is the time to make the jump. We gave the Samsung Galaxy Z Flip3 5G five stars in our glowing review, praising its sturdiness, lightning-fast performance and, most importantly, price. Three is giving you a chance to bag this Best Buy award-winning phone for £57/mth with 100GB of data on a two-year contract. To sweeten the deal, it's also throwing in the £249 Samsung Galaxy Watch 4 entirely for free. An upfront cost of £49 applies.

Buy now from Three


The best SIM-only Three deals

1. 100GB of data for £16/mth

There are no price rises with this deal: you get a massive 100GB of data, unlimited texts and minutes, a personal hotspot and Go Roam Around the World for £16 per month on a two-year plan.

Buy now from Three


2. 12GB of data for £11/mth (was £13/mth)

If you're a much more modest data consumer and only occasionally stream or play games, this deal gets you 12GB for £11 per month, down from £13. As ever, you're getting unlimited minutes and texts, as well as a personal hotspot and Go Roam Around the World.

Buy now from Three


The best PAYG Three deal

Unlimited data for £18/mth for six months

This January, you can get unlimited 5G data, minutes and texts, as well as Go Roam Around the World, for just £18 per month for six months if you auto-renew. Simply slot the SIM into your unlocked phone to get browsing.

Buy now from Amazon


The best broadband Three deals

1. 4G Hub with unlimited data for £14/mth

Three is offering a mouth-watering home broadband deal this January: unlimited 4G data for just £14/mth if you sign up for a two-year contract (or £25/mth for one year). There's no need to wait for an engineer or for the company to connect you, either – simply plug in the 4G Hub to start browsing.

Buy now from Three


2. 5G Hub with Samsung Chromebook 4+ (worth £379) for £30/mth

If you live in a 5G area, it makes sense to get the fastest broadband speeds possible. Three is offering the opportunity to do exactly that for £30 per month, while throwing in a £379 Samsung Chromebook 4+ for free. This astonishing deal gives you everything you need to get browsing, working or streaming in no time and with the minimum of fuss.

Buy now from Three


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