FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA

Stable

View details

Filename: f9d844044deb21779e48a1d6ec7be1a2c68698fa5cfc00c1f8a5e3e6042d1aaf.aea
File size: 4.16 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: 64c580e3623c060b8315b70ca203aa1fe440d7ff420e15b03247a1b11833d6a3
SHA-1: 646700962aaedf0e2d90f7978672114b3464a688
Required starting builds: 22H123
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 16 Plus iPhone17,4

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