FIRMWARE DETAILS

iOS 18.7.1

Build: 22H31Sep 29, 2025Delta OTA

Stable

View details

Filename: 4a2e98dd008cad2bd40f8e077203ee29e96067783f142f2404e089bed7b90c09.aea
File size: 1.24 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: 20a5a12186f3a5fb59cd4f66cd5e2b0d575da696741480fce02c34d76ca68776
SHA-1: 30b3e83caa4b20c9b7013bdea94dfa34f74acaa7
Required starting builds: 22E240, 22E252
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