FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA

Stable

View details

Filename: ce2f74023958ef45cd29b85f4dd562ef0e8deddadeec65249818a66ba5ecbf73.aea
File size: 755.0 MB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: c715fd4b2cee2de55478b66490353ddbc6da06d53dab41357973302148e75a98
SHA-1: 5d38cecd6437a16c144deac5cdfcc1be00b371e1
Required starting builds: 23E244, 23E246, 23E254
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 16 iPhone17,3

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, 6:25 PM UTC
Record fingerprint: e2c6b4d70a03d2c34df5f419214a28f1