FIRMWARE DETAILS

iOS 26.0.1

Build: 23A355Sep 29, 2025Delta OTA

Stable

View details

Filename: 81d23e6189facc7363ba09b86d141cd8bdb107fa.zip
File size: 4.53 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: da22c2f928d34dd6a91615a57d4f933e3ef89b8d8c97802719f3bc3805df500c
SHA-1: 81d23e6189facc7363ba09b86d141cd8bdb107fa
Required starting builds: 22B83, 22B91
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 13 iPhone14,5

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