About This Update
iOS 11.2.1
(build 15C153) is an official Apple
over-the-air update for the iPhone 6+,
released on 2017-12-13T18:12:42Z.
The update package is 315.83 MB.
This is a delta (partial) update that requires
11.1.1 already installed.
This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.
Payload file: 4a9500f15e330cb3e901e63876bc43b19c169b93.zip.
Direct URL
http://appldnld.apple.com/ios11.2.1/091-54920-20171213-B896CB56-DE17-11E7-BAB4-3A13F6A180E7/com_apple_MobileAsset_SoftwareUpdate/4a9500f15e330cb3e901e63876bc43b19c169b93.zip
Filename
4a9500f15e330cb3e901e63876bc43b19c169b93.zip
Other Devices
