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OnePlus 2 sketch, screen size details leak out

We do know the OnePlus 2 is going to be unveiled on 27 July; we don’t know exactly what to expect when it gets here. Fortunately, there are a few people willing to give us a preview. Take @KJuma on Weibo (the Chinese Twitter), for example – he’s provided what he calls a “spy sketch” of what the phone’s going to look like. It’s not particularly revealing but it’s better

Samsung says it's worked out how to double smartphone battery life

We all know that smartphone battery life could be better, and Samsung reckons it’s on to something with its latest engineering efforts – the company says its new tech could double battery life without increasing size. Business Korea has the news of a new graphene-coated silicon that could replace the graphite cathode in existing batteries. Essentially, that chemical mixture can hold a much bigger charge. It would mean having to