If you’ve ever installed a screen protector on your smartphone, you know how temperamental the process can be. Everything starts off hopeful. You clean your phone and eliminate every speck of dust.

As an Editor at Pocketnow, Aryan covers all things mobile, be it the latest smartphones, wearables, gaming consoles, or accessories. His experience using some of the newest hardware from Apple, Google ...

(CNN) -- Samsung's new high-tech fingerprint reader on the latest Galaxy smartphones has a major flaw: It can be fooled by the residue left by your fingers on a screen protector. The company is ...