Yes, You Can Downgrade iOS 8 Back to iOS 7.1.2 – For Now | OSXDaily
How to Downgrade 8GB 3,2 iPhone 4 to iOS 6 - YouTube
question] Recently got my hands on an iPhone 4 running iOS 7.1.2. Should I jailbreak it? Btw it's a 32gb white, I also need to replace the battery. : r/LegacyJailbreak
Developer creates a way to downgrade the iPad 2 and iPhone 4s to iOS 6.1.3
request] [question] unable to activate iPhone 4 (model CDMA 2012) after downgrading to iOS 6.1.3 from 7.1.2 using GeekGrade ipsw. Tried different networks and iTunes but no use.. can somebody please guide
Downgrade from iOS 7 to iOS 6.1.3 on your iPhone 4 using iFaith - iPhone Hacks - YouTube
How to Downgrade Your iPhone 4S or iPad 2 to iOS 6.1.3 « iOS & iPhone :: Gadget Hacks
How To Downgrade CDMA iPhone 4 to iOS 6 - YouTube
Con odysseusOTA possibile il "downgrade" di iPhone 4s ed iPad 2 ad iOS 6.1.3 - HDblog.it