iOS 11.2.1

iOS

Version

11.2.1

Build ID

15C153

File Size

1.19 GB

Release Date

2017-12-13T18:14:53Z

Update Type

Normal release

Delta update - requires 10.2.1 installed first.

Download OTA

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About This Update

iOS 11.2.1 (build 15C153) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2017-12-13T18:14:53Z. The update package is 1.19 GB. This is a delta (partial) update that requires 10.2.1 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is a288c675eaf462ab002de9f8b5cb6e9b6af2cf68.zip.

Direct URL

http://appldnld.apple.com/ios11.2.1/091-55217-20171213-53154E7A-DE20-11E7-B8C8-C13896F5E937/com_apple_MobileAsset_SoftwareUpdate/a288c675eaf462ab002de9f8b5cb6e9b6af2cf68.zip