FIRMWARE DETAILS

iOS 18.3.1

Build: 22D72Feb 10, 2025Delta OTA

Stable

View details

Filename: b50f44e2cc7cef68dc7badf0ec667445a86d1690faaf595345bbf4c2a8dc41cd.aea
File size: 4.43 GB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 8dc907ae980751119043d806227dbb7ce4e6a4a09f186b7caff2b43b1438e03f
SHA-1: 1d0a0952f3953831d4fe7fc5787222ad060dcdb8
Required starting builds: 21A326, 21A329, 21A360
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

iPhone 14 Pro iPhone15,2

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: 3aa1b12ab32d61552bc2075797d3a0f8