FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA

Stable

View details

Filename: e55e36f21c37b106f63f7d5c35e29ad7268233958d5c1a3c51a90a847b010f3c.aea
File size: 2.55 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: 18f0a1f6803202f5a86798eec942b2869263d99865aedd5a5dd8a47bd6d04848
SHA-1: b9a4590587c789ca05454e7f298fe179cae63c5d
Required starting builds: 23A355, 23A357, 23A365
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 iPhone17,3

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