FIRMWARE DETAILS

iOS 26.4

Build: 23E246Mar 24, 2026Delta OTA

Stable

View details

Filename: 0bc28ef627c8a592f96bfec22aaed53f3ed1d005b6b75cd154e16dcbf6dc1331.aea
File size: 3.09 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: fad105bb46efd995ae7d7e37a8344eb8c89feea1199d58347d9306ef8fe0be54
SHA-1: 57a17bd2ebf8e56f6b7e6ac46c2928da2d0a7b71
Required starting builds: 23D8128, 23D8133
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, 6:25 PM UTC
Record fingerprint: a55c8ee2f9fc0fcbc1637ce8870341b4