getIPSW
iPhone 8 Plus (Global) iPhone 8 Plus (Global) iPhone10,2
OTA Update Unsigned Beta 16B5089b

iOS 12.1

OS
iOS
Version
12.1
Build ID
16B5089b
File Size
184.39 MB
Release Date
2018-10-22T17:01:51Z
Update Type
Beta
Delta update - requires 12.1 installed first.

About This Update

iOS 12.1 (build 16B5089b) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-10-22T17:01:51Z. The update package is 184.39 MB. This is a delta (partial) update that requires 12.1 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 55e509adb5422b155a1c55c1d04cdc4325a46ea8.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-16126/CF82DEA4-D2FE-11E8-B0C8-0131E65F55DE/com_apple_MobileAsset_SoftwareUpdate/55e509adb5422b155a1c55c1d04cdc4325a46ea8.zip

Filename

55e509adb5422b155a1c55c1d04cdc4325a46ea8.zip

Other Devices

© 2026 getIPSW. Firmware data provided by ipswdl.com API. Not affiliated with Apple Inc. Privacy Policy: getipsw.org/privacy · Contact: dademsteve@gmail.com