FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA

Stable

View details

Filename: 5d4c9b75bf7bb254dc8816e49c7ddfc6c295b569e81484cf1ccf21d906fce588.aea
File size: 4.43 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: d0ac2cc9be31bb66b4282bdb15936662980ceea254ba36a93bef2ef65c59ba3f
SHA-1: 5dba4edf7ed80431a230f3d3c4f5655fd6a1d5e1
Required starting builds: 22H20, 22H31
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