FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA

Stable

View details

Filename: 9bab7235daeb8e64ac461d195bb7e6ed821bc7b6.zip
File size: 5.09 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: 5c61d4d61da4534d48cf802020afa5a45e7750d8f69683e2eb091a446172d596
SHA-1: 9bab7235daeb8e64ac461d195bb7e6ed821bc7b6
Required starting builds: 21H16, 21H216, 21H221
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 11 iPhone12,1

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%3B23B85.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: 3dbb73a9b79f5a62bd0e694ba85d5e21