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FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA
Stable

View details

Filename
3f981c1185ed66c56e5fad238a50d7535707bbd9.zip
File size
6.35 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
f379bd6306cdca09d927f7d7d58fc6071f6d13beb27b8d520459f93cb9ddb703
SHA-1
3f981c1185ed66c56e5fad238a50d7535707bbd9
Required starting builds
20E247, 20E252
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