FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Full OTA

Stable

View details

Filename: 0587f1c7c3c2ea6401bd8a63e26248827918eaa0cfb6b77c759523f8dbf43546.aea
File size: 8.52 GB
File type: Full OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: a5cb338ad0c2c2a0068a14eeafc79a78f997689a209df8fb90125ef593227985
SHA-1: d79b2f508ca0c0ac59cf1f092cbd7563a1b875bb
Required starting builds: Not reported
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 17 Pro Max iPhone18,2

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: d48da896f63809bf3a31e9d1728e206a