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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 washing machine under 300 - 2016Best washing machine under 300 - 2016
At S21, we've picked the 3 best washing machines of 2016 for under 300 in the UK.
Click for details
Sony Xperia X reviewSony Xperia X review
The Sony Xperia X is a high-end smartphone with a sleek, minimalist design. Boasting a 23 megapixel camera with hybrid autofocus, and a front-facing 13 megapixel camera, photography is a key strength. But the X is a solid all-rounder - fast, capable, and affordable.
5 starsClick for details
Samsung Galaxy A5 (2016) reviewSamsung Galaxy A5 (2016) review
The Samsung Galaxy A5 (2016) is a beautiful phone, with a metal and glass design that's similar to the flagship S6. It's a capable performer with an AMOLED display, fingerprint scanner, 8-core processor and good battery life. But in our opinion it's been priced incorrectly, and doesn't offer very good value for money.
4 starsClick for details
Samsung Galaxy A3 (2016) reviewSamsung Galaxy A3 (2016) review
The Samsung Galaxy A3 2016-edition is probably our favourite mid-range phone! We doubt that you'll find another compact premium handset this good for less than 300. Sleek metal-and-glass looks give the new A3 killer looks, and it packs in a high spec too - a HD AMOLED screen, a fast quadcore processor, and strong battery life.
5 starsClick for details
Samsung UE55KS7000 reviewSamsung UE55KS7000 review
The Samsung UE55KS7000 SUHD TV is the best television you can buy for 1500 in 2016! The 55-inch KS7000 has a superb Ultra HD premium screen with full HDR support, and produces outstandingly good picture quality. Sound quality is good too, and the Smart TV has everything you might want. The design is premium, and the only thing missing is 3D.
5 starsClick for details
HTC 10 reviewHTC 10 review
The HTC 10 introduces a new style for 2016, but one that makes it look much like a Samsung - at least from the front. It's a beautifully crafted phone, but not one that offers distinctive looks. Inside, it's a high performer, with a Snapdragon 820 processor, good memory, a USB Type-C connector, and an impressive Quad HD screen. The front camera is superb, although the main camera doesn't match it. It it was priced more competitively it would earn a 5 star rating from us here at S21.
4 starsClick for details
Samsung UE55KS8000 reviewSamsung UE55KS8000 review
The Samsung KS8000 is the best of the Korean company's 2016 range of LED TVs, and the 55-inch model seems like the ideal choice to enjoy 4K HDR viewing at its best. The super-bright screen shows more subtle shadow details than most rivals, and is the best screen you can buy for the price, in our opinion. Audio quality is excellent too, as is connectivity, and Samsung's 2016 Smart TV system is simply outstanding.
5 starsClick for details
Panasonic DMP-BDT280 reviewPanasonic DMP-BDT280 review
The Panasonic DMP-BDT280EB is an excellent mid-range Blu-Ray player with support for 3D playback and upscaling to 4K resolution. It supports a fair range of Smart TV services including the BBC iPlayer and Netflix, and includes built-in Wi-Fi and ethernet connectivity. You can also stream content from your home network using DLNA, Wi-Fi screen mirroring from a smartphone or tablet, or a connected USB device.
4 starsClick for details
Samsung Galaxy J3 reviewSamsung Galaxy J3 review
The Samsung Galaxy J3 is a top buy. Costing a little over 100, this is a smartly-styled superslim phone with a high-definition 5 inch AMOLED screen that outperforms any rival at this price. Benefiting from a quadcore processor, 4G Super-Voice compatibility, and a big battery, the J3 is an all-round performer. Budget smartphones don't offer more!
4 starsClick for details
Huawei P9 reviewHuawei P9 review
The Huawei P9 is the most capable phone you can buy for less than 30 per month right now. With a superslim aluminium body, impressive 5.2 inch Full HD screen, 8-core processor and 3GB of RAM, it's definitely a top performer. Add in a big 3,000mAh battery, USB Type-C connectivity, and dual rear cameras, and you'll find that the P9 really is something quite special.
5 starsClick for details
LG 55UH850V reviewLG 55UH850V review
The LG 55UH850V UHD HDR TV is an excellent choice for family viewing, with a big 55 inch screen and support for the Dolby Vision and HDR10 standards for High Dynamic Range (HDR). This TV incorporates catch-up TV, Netflix & Amazon streaming services, as well as YouTube, plus Freeview HD & Freesat HD tuners. With designer looks and a beefed-up sound system from Harmon Kardon, it has all the bases covered.
5 starsClick for details


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