FIRMWARE DETAILS

iOS 26.0.1

Build: 23A355Sep 29, 2025Delta OTA

Stable

View details

Filename: ff259839e95aadff83930e40b3b5e276e925cf87.zip
File size: 6.41 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: 9bb4608dbce7456013386931b8d7ca36c5919bd9daad23725491f046b3b8cd39
SHA-1: ff259839e95aadff83930e40b3b5e276e925cf87
Required starting builds: 19A340, 19A344, 19A346, 19A348, 19A404
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 Pro iPhone12,3

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%3B23A355.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: 7b4dd98cce2b1345904d5ab91a528789