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Welcome to S21

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:

Sony Xperia XZ review (updated)Sony Xperia XZ review (updated)
Win a beautiful case for the Sony Xperia XZ, courtesy of Terrapin Accessories! The Sony Xperia XZ is Sony's flagship phone for 2016. Slim and sleek, the XZ is a premium-build device running Android M and featuring a fast Snapdragon 820 processor with plenty of memory. Photography is a key strength too, thanks to its 23 megapixel camera with laser autofocus.
5 starsClick for details
Plusnet Mobile review (updated)Plusnet Mobile review (updated)
Plusnet is a UK-based broadband and phone provider, offering either standard or fibre broadband internet, including phone calls. YouView TV and BT Sport Lite are also available to broadband customers. On 29th November 2016, LIFE Mobile customers joined the Plusnet family and became Plusnet Mobile customers.
5 starsClick for details
Huawei Nova reviewHuawei Nova review
The Huawei Nova is a top-rated mid-range phone. With a premium-design metal body, it has the look of a high-end handset but for half the price. Its top features are its 5-inch high resolution screen, fingerprint scanner, fast 8-core processor, and very long battery life.
5 starsClick for details
HTC One A9s reviewHTC One A9s review
The HTC One A9s is a top mid-range phone, with an attractive slimline all-metal build. The 5-inch HD screen looks good, and the phone takes good pictures with its HDR cameras. Performance from the 8-core processor is strong, and battery life is reasonable too. Priced for value, this is an excellent buy.
5 starsClick for details
Best washing machine under 400 - 2016 (updated)Best washing machine under 400 - 2016 (updated)
At S21, we've picked the 3 best washing machines of 2016 for between 300 and 400 in the UK.
Click for details
Best smartphone under 200 (2016)Best smartphone under 200 (2016)
You don't need to spend huge amounts of money to buy a decent smartphone. 200, or around 15 per month on Pay Monthly, will get you a good phone, provided you know what to look for. Make life easier on yourself and start with our pick of the best.
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Sony PS4 Pro reviewSony PS4 Pro review
The PS4 Pro looks like a turbocharged version of the original PS4, and that's exactly what it is. The Pro has more powerful hardware and supports 4K games, HDR, faster frame rates and UHD video streaming.
4 starsClick for details
Google Pixel XL reviewGoogle Pixel XL review
The Google Pixel XL is a super-sized version of the Pixel, with a stunning 5.5 inch Quad HD screen. The phone runs Android Nougat 7 at lightning speed and has a great camera and good battery life. We can't get excited about Google's first attempt at styling a phone however, and the greedy pricing shoots the phone out of the water for the majority of users.
3 starsClick for details
Samsung UE49KU6670 reviewSamsung UE49KU6670 review
The Samsung UE49KU6670 is a mid-range UHD TV with HDR and a curved screen. The KU6670 comes with a smart silver stand, built-in Freeview and Freesat tuners, and a smart remote control.
4 starsClick for details


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