Download iOS 5.1 for iPod touch 4 (iPod4,1)

Signed IPSW files can be restored via iTunes, 3uTools. Unsigned IPSWs cannot currently be restored via iTunes, 3uTools.

Signed status can change daily, you should check signed status before restored

Firmware information
  • File name
  • Version
    iOS 5.1 This firmware is unsigned. You can not restore to it
  • Build ID
    9B176
  • Size
    750.00MB
  • Release date
  • Upload date
    2012-02-29 22:42:56
  • MD5
  • SHA1
  • SHA256
iPod iPod touch 4 iPod4,1
* Apple server is official from Apple. Other links are re-upload to other hosts.