How to get Front Camera back?

I am using an ASUS ZenFone. My father had restarted it and now my front camera (in my original camera app) went missing. I kept on searching and exploring on how to get it back but I really can't. So please can you help me?[somebody?anybody?]

from Android Forums at AndroidCentral.com - Ask a Question http://ift.tt/2sqJkEH
via IFTTT