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FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA
Stable

View details

Filename
e37e3d158296840f31c9e33a0e0b605f9c84a03b.zip
File size
5.67 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
8334f81f779f6d37d2e1639492c454686d759b1f4e0f0bdce522aa70fbaff9bd
SHA-1
e37e3d158296840f31c9e33a0e0b605f9c84a03b
Required starting builds
21B101, 21B74, 21B91
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)

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