Video: Watch Touch ID get fooled with some Play-Doh

Fingerprint technology has revolutionised how we secure our phones but, as techradar found out at MWC 2016, the technology can be spoofed with some clay and a a pot of Play-Doh.

In a demonstration, mobile security company Vkansee took an imprint of our thumb in some dental clay, gave it a few minutes to dry, and then used some Play-Doh to ‘capture’ the print. The iPhone we were using was then unlocked – after a few goes, it has to be said – with the plasticine print.


Vkansee wasn’t just doing this for fun – its CEO, Jason Chaikin, wanted to prove a point about how current fingerprint sensors aren’t high-res enough to capture the fingerprint details needed to make a phone even more secure.

4x the charm

“iPhones and other smartphones currently capture 500dpi of image resolution, but our optical fingerprint sensor managed to take images at 2000dpi resolution,” explained Chaikin.


Capturing four times the resolution – as the VK2108 sensor does – means that the sensor can better read fingerprint ridges and even things like sweat pores, offering up a more secure service.

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Vkansee’s chip is currently in pre-production but as you can see from our video, it’s an impressive bit of technology. It even works when the finger is wet, as the sensor goes under the cover glass, something that is a big no-no for fingerprint technology at the moment.


Vkansee couldn’t confirm which manufacturers have signed up to offer the sensor in their devices, but expect phones with this technology to hit shops sometime in 2017.

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  • MWC 2016: All the news from the mobile event of the year.

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