FIRMWARE DETAILS

iOS 18.4

Build: 22E240Mar 31, 2025Delta OTA

Release CandidateStable

View details

Filename: fb2b8ea7d40f2e17b79fe5f8f06f4769c8b8f89a.zip
File size: 6.09 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: 4baaebaf0229ba3b694d3f86deee0cb8f6a6dcdbd90f842b79461be1fdddd025
SHA-1: fb2b8ea7d40f2e17b79fe5f8f06f4769c8b8f89a
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 12 Pro Max iPhone13,4

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