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FIRMWARE DETAILS

iOS 18.7.1

Build: 22H31Sep 29, 2025Delta OTA
Stable

View details

Filename
3d21238dc67fbb047fd4f650b62ca4360e70281b.zip
File size
6.16 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
9b24db1754a7992b0cbe04fee49f1c6b1fcc669b9badc7df5c2c2c43723c29b5
SHA-1
3d21238dc67fbb047fd4f650b62ca4360e70281b
Required starting builds
19C56, 19C57, 19C63
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)

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