FIRMWARE DETAILS

iOS 26.3 beta

Build: 23D5089eDec 15, 2025Delta OTA

Beta

View details

Filename: f2577b6489d8dcc6193d1ab4aa2109a6c0fe6b37870e059a140591fe71b7ebde.aea
File size: 1.14 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: 9e0355468d04bda2a68a6fe064ae8f3f92b308c6ffd55e680c156bf01cfedc78
SHA-1: d6e6b178d6f2c1bef1ffb7a4767b0101c4b13d66
Required starting builds: 23C5044b
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 Pro iPhone18,1

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