FIRMWARE DETAILS

iOS 18.4

Build: 22E240Mar 31, 2025Delta OTA

Release CandidateStable

View details

Filename: 1937a6e0e6b77d5250cdd280ee177f8f0a88a31c.zip
File size: 3.26 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: da9132c9f1c44516696d1937a4e9d87d46c5e4d357133a39c230e917f3dccbaa
SHA-1: 1937a6e0e6b77d5250cdd280ee177f8f0a88a31c
Required starting builds: 22D60, 22D63, 22D64, 22D72, 22D82
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 iPhone11,2

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