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in-screen fingerprint scanner

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OnePlus confirms what we already knew: 6T to have in-display fingerprint reader

The OnePlus 6T was rumored to have an in-display fingerprint sensor ever since the Oppo R17 debuted with one. OnePlus phones are often based on one of the R-series devices and as the timing lined up with our expectations for the 6T, we collectively figured it would get one as well. Last week's alleged leaks of the phone's packaging seemed to corroborate that, and now Cnet has received confirmation from OnePlus (with screenshots) that the 6T will have an in-screen fingerprint reader.

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The most interesting smartphone innovations in the last year (or so)

We've seen our mobile devices evolve from novelties to ubiquitous, do-it-all pocket supercomputers in just a few decades. Lately, though, there's been a sense of fatigue about the progression of mobile technology: the breakneck pace of big-ticket advancements has slowed, and even devices which we can't find fault with just seem kind of meh. Smartphones have matured, and the days of the next big thing actually being something big are largely behind us, but that doesn't mean improvements have stopped altogether. Here are a few of the noteworthy innovations and trends we've seen over the past 12 months.

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Opinion: In-screen fingerprint scanners are cool, but may be too late to matter

Here at CES 2018, I had a chance to look at what some of us probably considered mere fantasy a few short years ago: a fingerprint scanner that can see through a smartphone display. It sounds like something that must be so complex it would be beyond explanation, but really, the basic principles aren't terribly difficult to grasp.

The short of it is this: smartphone screens are light-permeable, because they are porous. The thinner the display, the more light-permeable it probably is, and OLED screens are the thinnest currently being manufactured. By shining a bright enough light through the porous display, a sensor can observe the reflection of your fingerprint against the display components and use that to create a computer-readable image.

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