FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA

Stable

View details

Filename: 23f4e4e735cce58c88ed93acd9c43fb0d22514a8c6d050e6a1179908a197fcf8.aea
File size: 478.2 MB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 2252771cfed12724e44ea74fab31c1bb3d679bb61e1f7cd44c4009283692c4a7
SHA-1: 3a4b0c76f4a3129c3336b0a3e5857fb846682b2d
Required starting builds: 23B82
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 17 iPhone18,3

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