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FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA
Stable

View details

Filename
66595ee4175b60e536f285261598e4866cb71bf0.zip
File size
6.43 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
d09f5b089b7d1d75127880c6eb26baf8a724a8cc8e12630931737a6562b7a523
SHA-1
66595ee4175b60e536f285261598e4866cb71bf0
Required starting builds
19B74
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