How Inexpensive Screen Protectors Can Compromise Your Galaxy S10 Fingerprint Security
Discover why using low-cost screen protectors can render the ultrasonic fingerprint scanner on your Galaxy S10 ineffective and how to safeguard your device.
There may be risks extending beyond just one device.
Samsung's Galaxy S10 series introduced the company's first smartphones equipped with under-display ultrasonic fingerprint scanners. These sensors offer undeniable benefits, yet they are not without their flaws.
It has long been known that screens featuring such scanners should not be covered with additional tempered glass protectors, as they significantly reduce recognition accuracy. To protect their screens from scratches, users often opt for liquid-based screen films. However, recent findings reveal that this approach can be highly risky.
A Galaxy S10 owner shared his experience after purchasing a $3 gel screen protector from an online marketplace. Initially, the fingerprint sensor worked flawlessly, but he soon discovered that anyone could unlock his phone using their own fingerprint.
This incident was reported by Sammobile, which also noted that Samsung is aware of the issue and has initiated an investigation. Preliminary findings suggest that the problem stems from the use of cheap, low-quality accessories. The manufacturer assures that official screen protectors do not cause such issues.
This vulnerability might not be exclusive to Samsung devices but could affect other smartphones featuring ultrasonic fingerprint scanners. If you use such a model and have applied any protective film, it is advisable to test whether others can unlock your device. Your personal data might be at risk.
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