FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA

Stable

View details

Filename: 619f52ea175a0cc365f5c22d022c4dcf3b5cb23dda62f0b98ebdc5ec18a13823.aea
File size: 6.17 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: f2e60e50766d04de78a28e4bc8aa78db518a4b93dafe11d0a58b93b6558cf332
SHA-1: 4b36766aef612e7a4a16ba105fc449633ee9d314
Required starting builds: 21C62, 21C66
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 Pro Max iPhone16,2

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: e2c6b4d70a03d2c34df5f419214a28f1