How to downgrade from ios 7? - 2

I installed ios 7 for my dads iphone 4 and he hates it! Is there any way I can downgrade him back to any earlier version of ios if I have SHSHs from my iphone 4 for ios 4.3.5 and 5.1.1?

См. статью: How to downgrade from ios 7? - 2