FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA

Stable

View details

Filename: a57afa91b4627807c9af49c4e2082abd3f1294b10553ee94d440be2e36b83ba7.aea
File size: 4.63 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: c63d8c0c4c82a18fc07848ce6aef1754f9fd180b80a91f0f1f3bf07948e93bc5
SHA-1: e007d8530d851c0141fabf8f3c4434072e52705b
Required starting builds: 22H20, 22H31
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 Plus iPhone15,5

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