I can't log in with my facebook on my Iphone!

[Lily_AZ]

It is only in this device that I have this problem. I can log in just fine with in my IPad or desktop.

When I try to log in with facebook it opens the facebook authentication of another person (I think it is the person who was the previour owner of my phone number) and no matter what I do, I can't open my facebook authentication.

I can even log in to this person spotify account without even knowing the password!

The worst of all is that the person has a facebbok account in chinese and every time the authentication opens I have to use the translator to know what it says.

Please help me!!!!