How do I turn on fingerprint security? March 20, 2019 02:29 Apps > Settings > Security & location > Fingerprint then follow the steps on screen Related articles How do I enable split screen mode? How do I Factory Reset my Phone? How do I change my screen saver? What size of SIM does the ROKiT iO Pro 3D use? How do I set up multiple languages? Comments 0 comments Article is closed for comments.