FIRMWARE DETAILS

iOS 18.7.1

Build: 22H31Sep 29, 2025Delta OTA

Stable

View details

Filename: 450e91ada83e875bf6a56daee17d2b0616c0516afc7e8d232c127a1189108913.aea
File size: 3.83 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: 8ac16d7a1d4c15ac70d7e6b0faf7483413ae069e67ba771d4f97046200b77be6
SHA-1: 8657cdab9d75b2b65e516e29bb8079ad7e776eb3
Required starting builds: 22A3351, 22A3354, 22A3370
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

iPhone 16 iPhone17,3

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

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