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FIRMWARE DETAILS

iOS 18.4

Build: 22E240Mar 31, 2025Delta OTA
Release CandidateStable

View details

Filename
fcdbe17c235a87dd0ceff43c7965048636c4a1a82af775c2c61529c7daa3b98e.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
0c578e65c7520879afb4a68974bc5f5db9c49222091950960e95f5f2e9f4e551
SHA-1
66f9e0317c0c7c5e9fae842a9510e454310a5782
Required starting builds
21H16, 21H216, 21H221
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 15 iPhone15,4
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%3B22E240-RC.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: af6c14cdea389e430af57df46c359c4d

AppleDBhttps://api.appledb.dev/ios/iOS%3B22E240.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: 58f3ccccbe04c9559a5f267b66bdf03b