About This Update
iOS 11.2.1
(build 15C153) is an official Apple
over-the-air update for the iPhone 6s,
released on 2017-12-13T18:13:31Z.
The update package is 495.4 MB.
This is a delta (partial) update that requires
11.0.1 already installed.
This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.
Payload file: c89aa8456c0f052d09d047d06eba0228c394e5c6.zip.
Direct URL
http://appldnld.apple.com/ios11.2.1/091-54659-20171213-AA01D390-DE00-11E7-8932-C6E7FB2783B2/com_apple_MobileAsset_SoftwareUpdate/c89aa8456c0f052d09d047d06eba0228c394e5c6.zip
Filename
c89aa8456c0f052d09d047d06eba0228c394e5c6.zip
Other Devices
