Download iOS 11.2.1 for iPad Air (Cellular) (iPad4,2)
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
-
VersioniOS 11.2.1 This firmware is unsigned. You can not restore to it
-
Build ID15C153
-
Size2.34GB
-
Release date2017-12-13 18:04:09
-
Upload date2017-12-10 22:55:58
-
MD5
-
SHA1
-
SHA256
iPad Air (Cellular)
iPad4,2
* Apple server is official from Apple. Other links are re-upload to other hosts.