[Need Help] Problems about Facebook app on Xperia SP

Hello, I have some problem(s) about Facebook app when using with Xperia SP.

I noticed this for a while...

This is screenshot from my Xperia SP. It seem Post, Photo & Check In button is gone. (In red area)



It should look like this. (In red area)



Or this, If I recieved Facebook's Material Design. (red pointer)



My old Huawei Honor 2 don't have this problems.
Someone please help or advice me & Thanks in advance. :D