The best iPhone 5S deals in May 2017

Compare the best iPhone 5S deals here to find the perfect contract deal

The plucky iPhone 5S is still going, even though it's now been replaced by the iPhone SE and there's even the iPhone 7 to contend with. But if you're looking for the cheapest iPhone on the market, you should go for the iPhone 5S. 

The price continues to drop, which means we've been able to find some fantastic deals for the iPhone 5S in May 2017 and if you scroll down below you'll find a selection of our favourites.

Apple may not be producing the 5S anymore, there's plenty of stock still sitting around in network's store rooms. They want to shift the stock, so there are some amazing deals to be had. We've found the best deals currently on the market just for you.

Save £10 on any deal: use the code 10OFF at Mobiles.co.uk to save £10 on the upfront cost of any phone

More options: iPhone 6S Plus deals | iPhone 6S deals | iPhone 6 deals | iPhone deals

iPhone 5S deals

The best iPhone 5S deals across all UK networks this month:

We've handpicked some of the finest deals you can still get on the iPhone that's growing old in style. Lower down the page you'll be able to read about all of the best iPhone 5S deals on a network-by-network basis.

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iPhone 5S 16GB | Free phone | 300 minutes | 5000 texts | 1GB data | £14.99pm  
If you're thinking to buy an iPhone 5S we're guessing it's because you want to pay as little as possible a month for your smartphone. Carphone Warehouse's budget branch iD has got your back with a free handset and a teeny tiny £14.99 a month. You're welcome...  Total cost over 24 months is £359.76

Get this deal: from iD/Carphone Warehouse 

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Three

iPhone 5S 16GB | £9.99 upfront | Unlimited calls and texts | 2GB data | £19pm
Here's the absolute best value deal on the major networks for an iPhone 5S that we think is worth buying. It now comes with 2GB of data each month, it's dead cheap on day one and is only £19 a month. If you need a little more data, it may be worth looking at the even better deal below. Total cost over 24 months is £465.99

Get this deal: from Three

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iPhone 5S deals on Vodafone

iPhone 5S 16GB | FREE upfront | Unlimited calls and texts | 8GB data | £25pm
For an even (and very reasonable) £600 over the course of the two year term, you can bump your Three plan up to 8GB of data a month. It's only a 16GB handset, so the slug of extra data is handy for streaming your entertainment when away from wi-fi. Total cost over 24 months is £600

Get this deal: from Mobile Phones Direct

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Now let's break down the best iPhone 5S deals by network...

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iPhone 5S deals on EE

Best iPhone 5S deals on EE

The place to go if you want high-speed 4G

iPhone 5S 16GB | FREE upfront | Unlimited calls and texts | 1GB data | £17.99pm
Want to grab your new iPhone 5S on EE? This is a new deal for May 2017 and it's the cheapest we've seen so far this year. It comes with 1GB of data as well as unlimited calls and texts and you'll only be spending £17.99 a month. The internet may may be an issue if you're used to using a lot of internet while on the go. Total cost over 24 months is £431.76

Get this deal: from Mobiles.co.uk

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iPhone 5S 16GB | Free upfront | unlimited calls and texts | 5GB data | £27.99pm
If £27.99 a month for a 2013 smartphone sounds pricey, it's because it probably is. But if you want decent data with an EE contract, then this is your only choice. The good news...? They're throwing a VERY fancy pair of headphones into the bargain. Total cost over 24 months is £671.76

Get this deal: from Affordable Mobiles

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iPhone 5S deals on o2

Best iPhone 5S deals on O2

The network with extras like O2 Priority

iPhone 5S 16GB | FREE upfront| 500 minutes | 500 texts | 1GB data | £17pm
This is the cheapest overall deal for the iPhone 5S from O2 - much improved over the last few weeks. After paying nothing up top, it's only £17 a month. It comes with 1GB of internet and you'll get a sufficient-for-most 500 minutes and 500 texts to use each month. Total cost over 24 months is £408

Get this deal: from Carphone Warehouse

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iPhone 5S 16GB | Free upfront | Unlimited calls and texts | 3GB data | £27pm
We've loved this deal from O2 for a long, long time now as it comes with 3GB of data and only costs £27 a month. It comes with a free iPhone 5S and there are unlimited calls and texts thrown in as well. Grab this now and it will come with a pair of Beats headphones. Total cost over 24 months is £648

Get this deal: from Carphone Warehouse

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iPhone 5S 16GB | £9.99 phone | 500 minutes | 500 texts | 5GB data | £28pm
The most expensive deal we've included from O2 is £28 a month, but it comes with 5GB of data as well as 500 minutes and 500 texts. There's an upfront cost of £9.99 to pay, but otherwise this is a decent option to buy your iPhone 5S. If you need more minutes and texts on O2, we'd recommend using the comparison tool at the top of the page to find your own deal. Total cost over 24 months is £681.99

Get this deal: from O2 Mobiles

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iPhone 5S deals on Vodafone

Best iPhone 5S deals on Vodafone

Offers extras like Spotify and Sky Sports

iPhone 5S 16GB | Free upfront | Unlimited calls and texts | 1GB data | £19.50pm (with cashback)
You couldn't have chosen a better time to buy an iPhone 5S on Vodafone - if you go for the deal below you'll get it much cheaper than in recent months. This deal comes with 1GB of data for £23 a month, but it also offers £84 cashback. That makes this a fantastic price for an iPhone 5S over your two year contract. Total cost over 24 months is £468

Get this deal: from Mobile Phones Direct

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iPhone 5S 16GB | Free upfront | Unlimited calls and texts | 4GB data | £26.50pm (with cashback)
Would you pay an extra £1 for an extra gigabyte of internet each month? This deal is slightly more expensive in May than in previous months, but it now comes with 4GB of data rather than 3GB making it a must have if you're looking for a middling amount of data while on Vodafone. Plus there's cashback to make this deal all the sweeter. Total cost over 24 months is £636

Get this deal: from Mobile Phones Direct

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iPhone 5S 16GB | Free upfront | Unlimited calls and texts | 16GB data | £36pm
After a mass of data with a free iPhone 5S? This deal from Vodafone will be the best choice for you with a mammoth 16GB of tasty internet to use up. You may want to look around the rest of the page though for other better high-internet deals. Total cost over 24 months is £864

Get this deal: from Carphone Warehouse

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iPhone 5S deals on Three

Best iPhone 5S deals on Three

iPhone 5S 16GB | £9.99 upfront | Unlimited calls and texts | 2GB data | £19pm Here's the absolute best value deal on the major networks for an iPhone 5S that we think is worth buying. It now comes with 2GB of data each month, it's dead cheap on day one and is only £19 a month. If you need a little more data, it may be worth looking at the even better deal below. Total cost over 24 months is £465.99

Get this deal: from Three

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iPhone 5S 16GB | FREE upfront | Unlimited calls and texts | 8GB data | £25pm
For an even (and very reasonable) £600 over the course of the two year term, you can bump your Three plan up to 8GB of data a month. It's only a 16GB handset, so the slug of extra data is handy for streaming your entertainment when away from wi-fi. Total cost over 24 months is £600

Get this deal: from Mobile Phones Direct

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iPhone 5S 16GB | Free upfront | Unlimited calls, texts and data | £37pm
This deal is hot right now! It's much cheaper than it has been in previous months and Three offers you unlimited EVERYTHING right now. Buy this one now if you're looking to always be online and you need lots and lots of data on your iPhone 5S. Total cost over 24 months is £888

Get this deal: from Affordable Mobiles