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S21 is a technology website bringing together hundreds of independent expert reviews of smartphones, tablets, TVs and kitchen appliances, plus over 100,000 user reviews, and 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:

Microsoft Xbox One S reviewMicrosoft Xbox One S review
The Microsoft Xbox One S is a very welcome upgrade to Microsoft's game console and all-round entertainment system. 40% smaller, and with an internal power supply, it's a much nicer-looking box. It's also a low-cost way to embrace UHD Blu-ray, and brings 4K streaming, plus 4K upscaling and HDR support for games.
5 starsClick for details
Sony Xperia E5 reviewSony Xperia E5 review
The Sony Xperia E5 is a decent mid-range smartphone, with an attractive slimline design. Priced in the competitive mid-range, it's not lacking in any way, but neither does it particularly stand out. We reckon it's a safe choice that won't let you down, but it's worth shopping around and looking at similarly-priced rivals.
4 starsClick for details
Samsung Galaxy J5 (2016) reviewSamsung Galaxy J5 (2016) review
The Samsung Galaxy J5 (2016 Edition) is a mid-range smartphone with premium design and a good spread of features. We draw your attention to its superb AMOLED HD screen, exceptional battery life, Android Marshmallow, 16GB of memory and 2GB of RAM. The Snapdragon 410 processor isn't the fastest in town, but it gets the job done.
4 starsClick for details
Best 55 inch TV of 2016Best 55 inch TV of 2016
Here we pick the very best 55-inch TVs of 2016 from LG, Panasonic, Samsung and Sony.
Click for details
LG 55UH950V reviewLG 55UH950V review
The LG UH950V is LG's premier LED TV for 2016, and the 55-inch model is the best value. With its ultrathin screen and metal frame and stand, it's a real beauty. Picture quality is amazing, with rich colours, deep blacks and smooth motion. Audio quality is good too, with a 2.2 speaker system. Smart TV functions include the BBC iPlayer, Netflix and Amazon. Overall, it's a top TV, but be sure to shop around for value.
5 starsClick for details
Samsung UE49KU6400 reviewSamsung UE49KU6400 review
The 49-inch Samsung KU6400 LED TV offers amazing value. It's an impressively-good television including all the must-have features of 2016 - 4K, HDR, catch-up TV from the BBC iPlayer, ITV Player, All 4 or My5, and streaming content from Amazon and Netflix. Picture quality can't be beaten at this price, and it's probably the best mid-range family TV of the year.
5 starsClick for details
Sony Xperia XA reviewSony Xperia XA review
The Sony Xperia XA is a beautifully-styled phone, with an "Infinity Glass" design giving it high-end looks at an affordable price. It's fast too, thank to its 8-core processor, and dual-core GPU. But the screen's resolution is on the low side, and battery life is challenged.
4 starsClick for details
Samsung UBD-K8500 reviewSamsung UBD-K8500 review
The UBD-K8500 is Samsung's first Blu-Ray player to support the new UHD Blu-Ray disk format. With this player you can experience the very highest quality movies available, with 4 times the resolution of Full HD, 10 bit colour, and High Dynamic Range (HDR). But it's expensive, and you'll need a top-end TV to enjoy it to the full.
4 starsClick for details
Huawei P9 Lite reviewHuawei P9 Lite review
The Huawei P9 Lite is one of our top-rated phones for 2016. Priced at just under 300, it's a mid- to higher-end phone with an impressively skinny metal design, a big 5.2 inch Full HD display, and an 8-core processor. A big battery life and 16GB of memory complete the package.
5 starsClick for details
Panasonic TX-58DX802B reviewPanasonic TX-58DX802B review
The Panasonic TX-58DX802B is an extraordinary TV with unique designer looks. Suspended on a metal frame, this enormous TV delivers first-class picture quality, with HDR and 3D support. Audio quality is second-to-none, thanks to the included soundbar. And with Freeview Play, Netflix 4K, Amazon 4K, YouTube, and twin Freeview HD and Freesat HD tuners, you'll never be short of something to watch.
5 starsClick for details

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