[Help] Iphone 4s ios 7.0.2

Hi how are you?

are i can downgrade iphone 4s from ios 7.0.2 to other ios because it's have bug



thank you in advance

via limite item feed 15-GSM http://forum.gsmhosting.com/vbb/f456/help-iphone-4s-ios-7-0-2-a-1724999/