getIPSW
iPhone XS iPhone XS iPhone11,2
OTA Update Unsigned Beta 16D5032a

iOS 12.1.3

OS
iOS
Version
12.1.3
Build ID
16D5032a
File Size
328.05 MB
Release Date
2018-12-19T18:06:58Z
Update Type
Beta
Delta update - requires 12.1.1 installed first.

About This Update

iOS 12.1.3 (build 16D5032a) is an official Apple over-the-air update for the iPhone XS, released on 2018-12-19T18:06:58Z. The update package is 328.05 MB. This is a delta (partial) update that requires 12.1.1 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 66f366abbab6bbc3b3d51d9cf0191dd1a2357e05.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-26880/FB261B9C-022F-11E9-93F7-CEF03CDE3E72/com_apple_MobileAsset_SoftwareUpdate/66f366abbab6bbc3b3d51d9cf0191dd1a2357e05.zip

Filename

66f366abbab6bbc3b3d51d9cf0191dd1a2357e05.zip

Other Devices

© 2026 getIPSW. Firmware data provided by ipswdl.com API. Not affiliated with Apple Inc.