FIRMWARE DETAILS

iOS 26.3

Build: 23D127Feb 11, 2026Delta OTA

Stable

View details

Filename: 71341b2d9ecaa8366bac341976411fba4f7d8ddcb156f55b6c62749c0c303a58.aea
File size: 5.70 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: d086f4f4f3eb65cc1d353307ae4ca7ca45429ed24e6a1b2522125a2657322167
SHA-1: bb3b07eed29966ee901e6dcef77efe5e2c3c43fd
Required starting builds: 21F101, 21F79, 21F90
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 15 iPhone15,4

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: 22d32595e350673d41628e5ae650b60c