FIRMWARE DETAILS

iOS 18.7.3

Build: 22H217Dec 22, 2025Delta OTA

Release CandidateStable

View details

Filename: 9b18353f0b2de7c14e26012a843b2a80a4fcb5fd.zip
File size: 5.81 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: c556fe3461329f5c2022d81c9ebf63314868fdb1e19c614721a1ca84d3f4c812
SHA-1: 9b18353f0b2de7c14e26012a843b2a80a4fcb5fd
Required starting builds: 19A340, 19A344, 19A346, 19A348, 19A404
Board restrictions: Not reported

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

Compatible hardware (1)

iPhone XS Max iPhone11,6

Unknown

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

Source provenance

AppleDBhttps://api.appledb.dev/ios/iOS%3B22H217.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: 0107fd2b7719e99fff84bab4a8a558e8