Download IPSW per Downgrade senza SHSH! (GeekGrade)

iPhone 4 GSM (3,1):

• iOS 4.3.3 – 8J2: http://adf.ly/drdl8
• iOS 5.0.1 – 9A505: http://adf.ly/drdrJ
  
• iOS 5.1.1 – 9B206: http://adf.ly/drdtp
  
• iOS 6.1.2 – 10B146: http://adf.ly/drdwf
  
• iOS 6.1.3 – 10B329: http://adf.ly/drdz1
  

iPhone 4 GSM Rev A (3,2):

• iOS 6.1.3 – 10B329: http://adf.ly/drf3A

iPhone 4 CDMA (3,3):

• iOS 5.1.1 – 9B206: http://adf.ly/dvFBb
• iOS 6.1.3 – 10B329: http://adf.ly/dvFFl

iPod Touch 4G:

• iOS 5.0.1 – 9A505: http://adf.ly/dnvyG <— Link non funzionante
• iOS 5.1.1 – 9B206: http://adf.ly/dvEzu
• iOS 6.0 – 10A403: http://adf.ly/dvGkn
• iOS 6.1 – 10B144: http://adf.ly/drgHS