FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA

Stable

View details

Filename: 8a3c2adb8fa5205c7e90878a9d6cf83a3f7134030de519bebd1df0a0e7b76d55.aea
File size: 5.10 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: 9f6a279710912613d6b2c227af62c72866d2c2d9a457d012619c84d5e2ac1aef
SHA-1: fa3fab9329df197c196c67ba8ba22537c89f8435
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 16 Plus iPhone17,4

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