[Q] B708 problem !!! topic

HI,

I am new here and sorry for my bad english.

I update my P6 on b708 and emui 3,0 is great but problem is that font is to small.
I can change font size but not size of menu letters.
i read everything on this forums but still i dont now how to downgrade B708 firm.

Please somebody help do downgrade my P6 from B708 to B512, B520 !!!