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FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA
Stable

View details

Filename
fc407a2e5f74bb4bbe5a62a33cea4c144f6f2eb1.zip
File size
5.27 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
07dd74ed10c258233f333d1c6be83426bde0c3664caff93184359fe01f286d58
SHA-1
fc407a2e5f74bb4bbe5a62a33cea4c144f6f2eb1
Required starting builds
21E219, 21E236, 21E237
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