getIPSW
iPhone X (Global) iPhone X (Global) iPhone10,3
OTA Update Unsigned Beta 16F5148a

iOS 12.3

OS
iOS
Version
12.3
Build ID
16F5148a
File Size
451.54 MB
Release Date
2019-04-29T17:36:02Z
Update Type
Beta
Delta update - requires 12.2 installed first.

About This Update

iOS 12.3 (build 16F5148a) is an official Apple over-the-air update for the iPhone X (Global), released on 2019-04-29T17:36:02Z. The update package is 451.54 MB. This is a delta (partial) update that requires 12.2 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 3a1f847aedb3686f319cfa16d86f717e519d8b38.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringSeed/patches/041-57848/9132D236-687B-11E9-931A-486877A6FCC2/com_apple_MobileAsset_SoftwareUpdate/3a1f847aedb3686f319cfa16d86f717e519d8b38.zip

Filename

3a1f847aedb3686f319cfa16d86f717e519d8b38.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