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In this section of S21 you will find hundreds of independent expert reviews plus over 50,000 user reviews of mobile phones, as well as links to the best online buys (pay as you go, contract & sim free). Don't waste your time searching - we've already found you the best deals in the UK! But more importantly, we find you the best phones! Looks familiar? We used to be Mobile Phones UK.

Best buy: O2 from O2 (£0.00)

Latest reviews & news in Mobile phones

Sony Xperia E4 review, HTC One M8s review, Sony Xperia E4g review, LG G Flex 2 review, Apple iPhone 5c review (updated)

Most popular in Mobile phones:

 
Samsung Galaxy S6 review
The Samsung Galaxy S6 brings premium metal-and-glass looks to Samsung's winning formula of a high-spec Android smartphone. The S6 features a stunning quad-HD AMOLED screen, an 8-core processor, enhanced cameras, Android Lollipop and a wealth of other features. The only things holding it back are the lack of expandable memory, and the rather average battery life.
 Samsung Galaxy S6 Edge review
Just when you thought all smartphones looked the same, the Samsung Galaxy S6 Edge brings a fresh new look. Featuring a double-edged curved screen with special edge display features, it's one of the best-looking phones you can buy. It's also super-powerful, with an 8-core processor, outstanding cameras, plenty of memory and the latest Lollipop flavour of Android. But make sure you're sitting down before you look at the price!
   
 
HTC One M9 review
The HTC One M9 smartphone looks almost identical to the iconic One M8. The UltraPixel camera of the M8 has been replaced by a much better 20 megapixel main camera, and the processor has been upgraded to an octa-core Snapdragon 810. The M9 isn't a great leap forward, but is one step closer to perfection.
 Apple iPhone 6 review
The iPhone 6 finally catches up with Android and comes with a big 4.7 inch screen and NFC cashless payments. It's probably the most beautiful, most practical, most desirable phone in the marketplace in 2014.
   
 
Sony Xperia Z3 review
The Sony Xperia Z3 is quite possibly the best Android superphone of 2014. With premium styling and awesome specs, it's one of the best camera phones ever, able to record 4K UHD video. Battery life is superb, and it's waterproof and dustproof too!
 Motorola Moto G review
The Motorola Moto G is simply the best low-cost Android smartphone available right now. Highlights include a 4.5" HD screen, quad-core processor, large battery and interchangeable back covers.
   
 
Samsung Galaxy S5 review
The Samsung Galaxy S5 launched in the UK on 11 April. It's the fastest, most powerful Galaxy smartphone ever, with a stylish new look, fingerprint and heart rate scanners, ultra-fast camera and extended battery life.
 Sony Xperia Z3 Compact review
The Sony Z3 Compact is a superb Android phone in a manageable size. It's excellent value for money, and comes with plenty of high-end features and an iconic design.
   
 
Samsung Galaxy A5 review
The Samsung Galaxy A5 has an ultraslim, aluminium design and an excellent selfie camera. But although it costs less than the flagship S5, its mid-range spec means that it's still over-priced for what you get.
 LG G3 S review
The G3 S is a "mini" version of LG's flagship G3 smartphone, although it's still quite large, with a big 5 inch screen. The G3 S costs half as much as the G3, and the spec has been cut to match, but it still manages to outperform all rival phones at this price point.
   

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Mobile phones reviews & articles (archived)

Apple iOS 6.0 - Guide to the iOS 6.0 operating system from Apple.
Apple iOS 6.1 - Guide to the iOS 6.1 operating system from Apple.
Apple iPhone 5 vs HTC One vs Samsung Galaxy S4 vs Sony Xperia Z - Which is the best smartphone of 2013?
Mobile phone of the year 2012 - The Samsung Galaxy S3 is officially the best mobile phone of 2012! Shortlist of 10 best mobile phones of the year.
Mobile phone of the year 2013 - The HTC One is officially the best mobile phone of 2013! Click here to see the full results.
NEC phones - Find the best prices for NEC phones in the UK. Reviews, guides and best buys.
O2 phones - Find the best prices for O2 phones in the UK. Reviews, guides and best buys.
Orange phones - Find the best prices for Orange phones in the UK. Reviews, guides and best buys.
Palm phones - Palm phones reviewed.
Panasonic phones - Find the best prices for Panasonic phones in the UK. Reviews, guides and best buys.
Sagem phones - Find the best prices for Sagem phones in the UK. Reviews, guides and best buys.
Samsung Galaxy S4 rumours - Remember the Samsung Galaxy S3? That was so 2012! Here we're looking forward to the release of the next Galaxy phone. Rumour, uninformed speculation and gossip. Bring it on!
Sharp phones - Find the best prices for Sharp phones in the UK. Reviews, guides and best buys.
Siemens phones - Find the best prices for Siemens mobile phones in the UK. Reviews, guides and best buys.
Sony Ericsson phones - Sony Ericsson was a joint venture company between Sony and Ericsson. Ericsson brought with them years of experience in mobile phones, and Sony provided world-leading expertise in core technologies such as LCD displays, digital photography and audio, as well as a solid reputation for innovative design and high quality. The company is now wholly owned by Sony.
T-Mobile phones - Find the best prices for T-Mobile phones in the UK. Reviews, guides and best buys.
The highs and lows of MWC 2014 - The good, the bad and the ugly from Mobile World Congress 2014.
The smartphone of 2014 - Traditionally only the brave or the foolish try to predict the future, but fortunately Brave and Foolish are S21's middle names. In any case, the future has already revealed itself to the astute observer.
World Cup 2014: Android and iOS football app reviews - I have been lucky enough to pre-test the best World Cup football apps and speak to the developers behind them. After testing a whole series of football apps I found the best football prediction game and the best app for following the World Cup.
Young Mobile Phone Designer of the Year Award 2014 - The Young Mobile Phone Designer of the Year Award is open to all university students enrolled on a design-related course within the UK.
ZTE phones - ZTE is the fifth largest smartphone manufacturer in the world, manufacturing phones for companies like Orange, T-Mobile and Vodafone. ZTE is now also releasing phones under its own brand.
iPhone 5 rumours - Rumours, speculation and gossip about the new iPhone.

 

In addition to thousands of mobile phone reviews, we provide price comparison for carefully selected retailers. Instead of an automated price comparison, we carefully select the best deals from trusted retailers. As well as pay as you go and contract mobile phones, you can also find reviews of mobile broadband services from 3 Mobile, Orange, O2, T-Mobile and Vodafone. Compare the best mobile phone deals and offers. Also check out our comparison of sim only tariffs. And why not subscribe to our RSS feed for phone reviews & news?

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