About This Update
iOS 11.2.1
(build 15C153) is an official Apple
over-the-air update for the iPhone X (GSM),
released on 2017-12-13T18:11:04Z.
The update package is 410.58 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: bcb53821b1c68c3e939004b8026b966a63267178.zip.
Direct URL
http://appldnld.apple.com/ios11.2.1/091-54684-20171213-0542DB0A-DE01-11E7-AC2F-E6ECFB2783B2/com_apple_MobileAsset_SoftwareUpdate/bcb53821b1c68c3e939004b8026b966a63267178.zip
Filename
bcb53821b1c68c3e939004b8026b966a63267178.zip
Other Devices
