There is finger print sensor on the back and this handset also comes with face unlock option. (gogi.in)
Meaning if I wanted to unlock every option for every character it would require some serious grinding. (ztgd.com)
The upgraded account unlocks the option to prioritize profile listings, to make video introductions, to chat, read testimonials, use matchmaking tools join chat room etc.. (1st-online-personals.com)