FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA

Stable

View details

Filename: b9b26877d54093aa6445d12914509aae7502fc343020e4b8437d1ddb85d7fcb5.aea
File size: 4.43 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: 5f8dda685272f0831fcc2b8218ade99ba785e6445f63c52e9d0b7dade9bcac6f
SHA-1: ce014fca9e0ea2e766821b38a3121b2b53f0204f
Required starting builds: 22H217
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 iPhone17,1

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: d48da896f63809bf3a31e9d1728e206a