FIRMWARE DETAILS

iOS 18.7.1

Build: 22H31Sep 29, 2025Delta OTA

Stable

View details

Filename: e3a1c9e2bde50ff728639e5ec40d82adede1c34e.zip
File size: 4.23 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: 1581e61cbb0a1b15c63510a7cf4f1df081ee107e52d1e46c3fabecdb2e5d957b
SHA-1: e3a1c9e2bde50ff728639e5ec40d82adede1c34e
Required starting builds: 21G101, 21G79, 21G80, 21G93
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 XR iPhone11,8

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