FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA

Stable

View details

Filename: 39bb72c32147164f0b5c05831e67b3b334d00131.zip
File size: 3.66 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: 7f7784d00ddbe78f4bf60165eddab9067c756533f77d953f466cc6db1d13df0b
SHA-1: 39bb72c32147164f0b5c05831e67b3b334d00131
Required starting builds: 22H20, 22H31
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)

iPhone 11 iPhone12,1

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