Z zoki Guest Aug 1, 2010 #1 I have Iphone 3GS with serial XXX36XXXXXX ,I think that this is old boot.Why I can not downgrade?I try everything.....There is no cydia in this phone.... Thanks
I have Iphone 3GS with serial XXX36XXXXXX ,I think that this is old boot.Why I can not downgrade?I try everything.....There is no cydia in this phone.... Thanks