FIRMWARE DETAILS

iOS 26.3 beta

Build: 23D5089eDec 15, 2025Delta OTA

Beta

View details

Filename: 59507322fd3797eb1a4911ad0f164f8d4b3ec320b8478b19c59d3ea85b9e5abd.aea
File size: 1.28 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: ff31a947732846050c96cc1f4db065d22cceb0b95b400da74c4bae90d8714bdc
SHA-1: 40285ccc4905a4c0f993e747f79131e8efc08eb7
Required starting builds: 23C5033h
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

iPhone 17 iPhone18,3

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: 4922b9814742f2cace2cc5b584a4e27b