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FIRMWARE DETAILS

iOS 18.4

Build: 22E240Mar 31, 2025Delta OTA
Release CandidateStable

View details

Filename
4082b458def9620c6f5bd7fd0ff11d99c42c70f7.zip
File size
3.96 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
71ed03a1b5d596d508c3e35b67d8dcb8d952cba9c040b6598bc6c7dd4eb2e4d9
SHA-1
4082b458def9620c6f5bd7fd0ff11d99c42c70f7
Required starting builds
21A340, 21A351
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 11 iPhone12,1
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