authenticate

I recently bought my Redmi 3 pro phone at a legitimate store. It came with a fake ROM which I eventually got updated by the store. Now I see that there can also possibly be a fake phone. There is no authentication label on the Redmi 3 box. Does that mean it's a fake phone? I ran the MI...

Hi I installed a new theme on my Mi Note Pro. I have authorized the app to allow pop up for facebook already. It works on the normal UI theme. But after I change themes ( no matter which theme ) the facebook pop up disappears almost as if it is hiding behind the theme. The pop up is active if I...