Galaxy S10 Fingerprint Sensor Reportedly Thwarted By Cheap Screen Protector

Galaxy Fold

However, the same type of ultrasonic sensor is fitted to the Note 10. It allows the phone to be unlocked by anyone's fingerprint.

Samsung is once again in hot water for a shoddy biometrics implementation.

The issue came to light when a British user named Lisa complained that her S10 unlocked from her left hand, even though she never registered the fingerprints of her left hand. Worse, a buyer recently discovered that if you install a third-party screen protector, a non-registered user could unlock the phone.

Samsung Electronics has acknowledged a security flaw in its Galaxy S10 and Galaxy Note 10 devices where the fingerprint reader can be bypassed by using silicon screen protectors, and has promised a software update to fix the problem.


A journalist uses the new Samsung Galaxy S10 smartphone at a press event in London, Britain February 20, 2019.

"We are investigating the issue and will be deploying a software patch soon", a Samsung spokesperson told ZDNet. "We recommend all customers to use Samsung authorised accessories, specifically designed for Samsung products". Due to higher production costs, lower yield, and fragility compared to transparent PI, Samsung may decide to stick with transparent PI at least one more time for its next foldable phone.

Fossbytes advises readers to refrain from using third-party screen protectors. This happens because gel-based screen protectors leave a small gap between the display and the scanner which ends up interfering with the scanning process. The newest tidbit claims that the next Samsung foldable, which we're tentatively calling the "Fold 2", will utilize a different screen cover technology called ultra-thin glass (UTG) and be released with at least three different color choices.

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