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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.
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The Samsung Galaxy Note 8 is an enhanced version of the S8+. Even thicker and heavier, it's a massive phone and won't be suitable for everyone. But it offers the same incredible curved AMOLED display and top-end specs as the S8+, plus an S Pen, dual lens camera, iris scanner and 6GB of RAM, making it the most powerful phone ever.
The U11 is HTC's flagship phone for 2017. Top features include the Quad HD display, 8-core processor, 64GB of ROM, and the impressive camera. It's water resistant too, and comes with a unique squeeze function. But the U11 costs more than the Galaxy S8 and iPhone 7, and we don't see why it should.
The Motorola Moto C is one of the cheapest smartphones you can buy, and if you're looking to spend under £100, then this is as good a choice as any. Don't expect it to be anything more than a very basic phone, and you won't be disappointed.
The Sony Xperia L1 offers the biggest screen you'll find on an entry-level or mid-range phone. But that's its only real selling point. Everything else is very ordinary, and the phone is bulky and heavy too. But if it's a big screen you're after, the L1 is worth considering.
Here we pick the very best 55-inch TVs of 2017 from LG, Panasonic, Samsung and Sony.
The LG 55SJ810V is a very well-priced 55" HDR TV with premium looks. The comprehensive Smart TV system includes Freeview Play, Freesat HD, Netflix and Amazon. Viewing angles are particularly wide, making this a good choice for a family TV.
The LG 55UJ701V offers compelling value for money. A 55" HDR TV with premium looks for around £850 has to be worth considering, and the UJ701V is well featured too, with Freeview Play, Freesat compatibility and comprehensive Smart TV, including Netflix and Amazon. Viewing angles are particularly wide, making this a good choice for a family TV.
The ever-popular Samsung Galaxy J5 has been upgraded for 2017 with a full metal body, and a fingerprint sensor embedded in the home button. It's a smart, slim phone with a good-sized 5.2 inch AMOLED screen and fast performance from its 8-core Exynos processor. The new 13 megapixel front camera will be welcomed by selfie fans, and battery life remains strong. It's a good all-rounder, but we'd like to see the price fall.
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.