FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA

Stable

View details

Filename: 194a333f36c72119aaa13e68b472d640fdbc25b6699e55fccedc38a717442693.aea
File size: 2.42 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: 18481c52757dd25ece0e8bfd0838f8b264bbe97196f5e156945220d8e4ec987b
SHA-1: def59b20264079c8cfd04c512bdfc251559dd654
Required starting builds: 23A330, 23A340, 23A341
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 Air iPhone18,4

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: 3dbb73a9b79f5a62bd0e694ba85d5e21