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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:

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
Sony KD-55XD8599 reviewSony KD-55XD8599 review
The high-end Sony KD-55XD8599B is a very capable UHD(4K) HDR TV with iconic looks and impressive picture quality. Whilst undoubtedly expensive, it's a lot more affordable than many of the flagship HDR TVs on sale in 2016, and offers a good entry-point into this new technology. The XD8599 also includes the benefits of Android Smart TV, twin Freeview tuners and Youview catch-up TV.
4 starsClick for details
Panasonic TX-50DX750B reviewPanasonic TX-50DX750B review
The Panasonic Viera TX-50DX750B is a very attractive 50-inch UHD (4K) TV available at a reasonably competitive price. It delivers a very rich viewing experience with both 4K and standard definition viewing material, and has the advantage of HDR support too. The Firefox OS Smart TV system and Freeview Play with twin tuners make it a full all-round entertainment system, and we heartily recommend it!
5 starsClick for details
LG K4 reviewLG K4 review
The LG K4 (also confusingly called the K120E) is a phone that's just going through the motions in a half-hearted way. It's a lightweight smartphone, with a cheap feel, thanks to the plastic silver trim around the screen and the textured back. Inside, you'll find a very slow 1GHz CPU, and just 8GB of memory. You'll find better phones that cost no more - like the Moto E 4G or Sony E4, for instance.
2 starsClick for details
HTC Desire 530 reviewHTC Desire 530 review
The HTC Desire 530 would make an excellent entry-level Android phone. Unfortunately, it's been priced at around 150 sim free, which is far too expensive for a phone of this type. If the price drops, it will become a good choice, thanks to its nice styling, good 5 inch screen, generous 16GB of memory, and decent cameras.
3 starsClick for details
Apple iPad Pro 9.7 reviewApple iPad Pro 9.7 review
The 9.7 inch iPad Pro offers the same high performance as the full-size Pro, but in a more affordable and portable form. It's more capable than an iPad Air 2, with the new A9X processor, 32GB of RAM, and the 12 megapixel iSight camera borrowed from the iPhone 6s. It's not cheap by any standards, but is a very powerful and capable computing device.
5 starsClick for details
LG G5 reviewLG G5 review
The G5 is LG's flagship handset for 2016. Finished in aluminium, the G5 features a fast Snapdragon 820 processor, a 5.3 inch Quad HD screen, and plenty of memory. It has a modular design, with an optional snap-on camera grip, and a fingerprint sensor on the back. It's expensive though, and doesn't quite have the appeal of rival handsets.
4 starsClick for details
Samsung UE55KS9000 reviewSamsung UE55KS9000 review
The Samsung UE55KS9000 is a 55-inch SUHD TV with a stunning slimline design and a curved screen. Picture quality is excellent, with 4K HDR delivering ultra-sharp and detailed images, with accurate colours and plenty of shadow detail, although it's missing out on 3D support. Audio quality is excellent, as is Samsung's Smart TV system, which includes Netflix and Amazon Instant Video, as well as cloud gaming. It's a top all-round TV and highly recommended!
4 starsClick for details


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