That doesn't appear to be the case based on the reporting. > After buying a £2.70 gel screen protector on eBay, Lisa Neilson found her left thumbprint, which w

That doesn't appear to be the case based on the reporting. > After buying a £2.70 gel screen protector on eBay, Lisa Neilson found her left thumbprint, which was not registered, could unlock the phone. This suggests that the issue started happening after putting on the screen protector, and after recording the fingerprint.