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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:

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 55UH770V reviewLG 55UH770V review
The LG 55UH770V is a UHD TV that offers true HDR10 and Dolby Vision support, which means super-sharp images, high dynamic range, and bright, natural colours. With premium design and excellent Smart TV, plus a "magic" remote it's an all-round family entertainment system, and very competitively priced too.
5 starsClick 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
Huawei Y6 reviewHuawei Y6 review
The 100 Huawei Y6 is a budget Android phone that looks like it costs twice as much. Slim, super-lightweight and stylish, it features a large 5-inch HD screen that's quite possibly the best you can buy for the money. Battery life is good too, but the Snapdragon 210 processor and basic cameras are less impressive.
4 starsClick for details
Samsung UE40KU6000 reviewSamsung UE40KU6000 review
The Samsung UE40KU6000 is a top value 40-inch UHD (4K) TV. Sitting at the bottom of Samsung's Series 6 televisions, this is a very good entry-level model, with high picture quality, although motion can be a bit judddery. Smart TV functions are excellent, and the set looks good too.
4 starsClick for details

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