Hands On With the Vivo Phone's In-Display Fingerprint Scanner

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While fingerprint scanner in the rear turns out to be old school, Vivo has come up with the future tech - under-display fingerprint technology.

"We are excited to announce Qualcomm Fingerprint Sensors because they can be created to support sleeker, cutting-edge form factors, unique mobile authentication experiences, and enhanced security authentication", said Seshu Madhavapeddy, Qualcomm Technologies's vice president of product management.

The sensor works in combination with the OLED display. "Based on ultrasonic technology, the fingerprint recognition technology can be further expanded to realize user interaction, such as gesture recognition, security verification and other fields, which will greatly enhance user experience". Vivo has been working on an in-display fingerprint sensor for the last couple of years. Like other new smartphone features, the fingerprint reader will first be offered in premium smartphones, in part because the scanner only works with OLED displays, at least for now.

As you touch the screen, the lit-up fingerprint is then reflected into an in-display fingerprint sensor which is then authenticated. For one, people screw up their screens all the time. However, the sensor wasn't as responsive as Vivo would have liked. According to The Verge, this new sensor works similar to normal fingerprint reader but it is not very fast. But sadly none of the big smartphone manufacturers were able to implement this feature in their flagship phones. Simply place your finger over the icon and press gently.

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At CES, a big tech component maker showed the first phone to try something new: putting it inside the screen. Place your finger there, wait for a split second and the phone will unlock with a cool animation taking place.

That's not to say it worked all the time, though - at first the sensor often didn't recognize my finger.

All in all, I'm happy to see Vivo's fingerprint innovation because Apple was rumored to be working on the same thing for the iPhone X, but reportedly ditched efforts entirely for Face ID.

Even though the world's first smartphone with a (virtually) invisible fingerprint scanner might need a few more months before actually reaching store shelves around the world, its most important party trick is already comparable to many commercial solutions in terms of speed. Like right now, when it's freezing in NY and I usually have a scarf covering half my face, and Face ID won't work.