FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA

Stable

View details

Filename: 192507cd70b874f9b45de4c2a3fa285e8737f8ebb1ce1dc88460e616b4e11943.aea
File size: 5.70 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: 59bd13d272ee93d7e871fce8521e2fb3c46f5785aa136ae96b96fadf9ef49b62
SHA-1: 4e15bce57bd3a8eaf9b3b370e4c37af219ac02f6
Required starting builds: 22C152, 22C154, 22C161
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 Pro Max iPhone17,2

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