FIRMWARE DETAILS

iOS 18.7.1

Build: 22H31Sep 29, 2025Delta OTA

Stable

View details

Filename: 2ca1f0031cf8e0f899ca8dea2e4a906ec385fb22.zip
File size: 4.93 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: 647b48104ac000f8e8ed01e10e676be7a52ed475d4dab405d83e33277a458cf4
SHA-1: 2ca1f0031cf8e0f899ca8dea2e4a906ec385fb22
Required starting builds: 20F66, 20F75
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%3B22H31.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: 5a74f855a29314d5aaed8c2a30a9940d