IPhone 12 might be the first to feature in-display fingerprint sensor

Ruben Fields
December 4, 2019

Qualcomm's initial 3D Sonic sensor found on the Galaxy S10 had a major security loophole that allowed anyone to bypass the fingerprint scan by using a cheap screen protector. Fast forward one year and the U.S. company announced an upgrade to its last year ultrasonic fingerprint scanner, the 3D Sonic Max, which promises to accurately scan a fingerprint in three dimensions.

Qualcomm has taken the wraps off its next-generation fingerprint scanner as it looks to make smartphones more secure than ever.

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Qualcomm says the new sensor is 17 times bigger with a size of 20mm x 30mm. Touch ID, on the other hand, has an accuracy of 1 in 50,000, and it's the same for most other fingerprint sensors. The new dual-fingerprint authentication system will introduce a new layer of security that could practically be used by banking apps, for example.

"What we've done is collected and bought [with Samsung] multiples of these phone covers, and we've created anti-spoof algorithms that are already released into the market", said Alex, adding that "There's nothing wrong with the fingerprint sensor design". That larger area enables simultaneous two-finger authentication for heightened security, but also increased speed and ease of use because it requires less precise placement from the user. However, it is not another SoC though but instead, the product is a brand-new ultrasonic fingerprint sensor called 3D Sonic Max. Speaking of the technology, ultrasonic sensors are distinguished from optical versions in that the latter need light from a smartphone to produce an image of a fingerprint.

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