FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA

Stable

View details

Filename: f8af15cebf9fd4e2e0f5d665694ff912d6b31c850c45c56dc936facd18f8c023.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: 761fbb85054d82501e80ca3f497a32b8875eb8761fe1cf31e736ede8ca4cbbcb
SHA-1: 3b371da99558b5ed81c6963e18c538c32aa77680
Required starting builds: 23B82, 23B85
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 iPhone16,1

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: e2c6b4d70a03d2c34df5f419214a28f1