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Welcome to S21

S21 is a technology website bringing together hundreds of independent expert reviews, over 100,000 user reviews, plus articles, buying guides and links to the best online deals. Looks familiar? We used to be Mobile Phones UK - reviewing mobile technology since 2001.

Latest reviews and articles:

Sony Xperia E3 review
Sony has been steadily refining its budget 'E' range of Xperia smartphones, and the E3 is easily the best yet. Highlights include the large screen and superslim design, quad-core processor, 4G capability and strong battery life.
 Samsung UE55HU7500 review
The Samsung UE55HU7500 is a near-perfect UHD TV. Offering gorgeous premium design, stunning picture quality, 55 inches of flat screen, and superior audio quality, we think it's good value even at 2,000.
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.
 Mobile phone of the year 2014
Vote for the best phone of 2014!
Samsung UE32H6410 review
The Samsung UE32H6410 takes what was probably the best 32-inch TV on the market and adds premium designer styling. It isn't cheap, but it's worth the money.
 Apple iPhone 6 vs HTC One M8 vs Samsung Galaxy S5 vs Sony Xperia Z3
Which is the best smartphone of 2014?
Samsung UE55H6670 review
The Samsung UE55H6670 offers amazing big screen value - 55 inches of viewing pleasure for around 1000!
 Samsung Galaxy Alpha review
The Samsung Galaxy Alpha brings premium styling to the Galaxy smartphone range. It's a superslim, ultra-lightweight Android phone with good performance, but not quite in the superphone league.
Apple iPhone 6 Plus review
The iPhone 6 Plus is like the iPhone 6 but with a larger screen and stronger battery. It's a beautiful device, but super expensive.
 Samsung Galaxy Note 4 review
It may seem harsh to give this astounding piece of technology just 4 stars. But the fact is that the Note 4 costs substantially more than the Note 3 but doesn't bring any significant life-enhancing new features to the table.

Popular articles
Mobile phone of the year 2014

Apple iPhone 6 vs HTC One M8 vs Samsung Galaxy S5 vs Sony Xperia Z3

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