iOS 11.2.1

iOS

Version

11.2.1

Build ID

15C153

File Size

1.31 GB

Release Date

2017-12-13T18:15:00Z

Update Type

Normal release

Delta update - requires 10.1.1 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 Plus (GSM), released on 2017-12-13T18:15:00Z. The update package is 1.31 GB. This is a delta (partial) update that requires 10.1.1 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 b9b375d1c742e5d534214ce84d07200947617488.zip.

Direct URL

http://appldnld.apple.com/ios11.2.1/091-54979-20171213-A9830B90-DE1A-11E7-ABA5-6120F6A180E7/com_apple_MobileAsset_SoftwareUpdate/b9b375d1c742e5d534214ce84d07200947617488.zip