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Samsung Galaxy S1
As reported in The Sun earlier this week, a British couple discovered that they would accept any print instead
A woman learned that she could use her left thumbprint to unlock her device.
In this situation, the phone is paired with a certain screen protector that was purchased on eBay for £ 2.70. It's unclear whether or not it applies to all types of screen protectors, but Samsung has warned anyone who uses their Galaxy handset with a screen protector to disable the fingerprint scanner and switch to another option for unlocking the device. 19659004] The Galaxy S10 has unique hardware for scanning fingers. It uses ultrasound to map the 3D ridges of a fingerprint and it has been screened for some reason. Fortunately, Samsung says it's going to fix the problem with an upcoming software patch.
What are the reasons? Settings app> Lock Screen > Screen lock type then enter your unlock code to access the option that will Fingerprints unlock setting.
Source: BBC via The Sun