Fingerprint Lock Screen Prank is fingerprint lock is beautiful and easy to use! Are you desire to own a handset with fingerprint lock like Galaxy S6, Note 5, Nexus 6P, iPhone or LG V10 plus 6s but not eligible? Fingerprint Lock will turn your dreams into reality! You can lock and unlock your phone using your fingerprint! Enjoy the fun with Fingerprint Lock Screen. How to use.