FIRMWARE DETAILS

iOS 18.7.1

Build: 22H31Sep 29, 2025Delta OTA

Stable

View details

Filename: b2544a6c1d7b201ee362ea0de011d645a1eac1d85055f1617f27c6aa0cffe49d.aea
File size: 4.56 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: 1a5208c58c064bb4a52b4680099b0af09cec240c23c9959563ed3d530f11740e
SHA-1: d72f7333b1a066c613d6977bbcad48b8fd173898
Required starting builds: 21E219, 21E236, 21E237
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 15 iPhone15,4

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