FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA

Stable

View details

Filename: ff095592a5b7c7a20915fbb04eeb2bc1bb3bb1dacde7da6f3e9dc749b103a7e7.aea
File size: 4.29 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: de4efebf10de7c20ba3ccd365f889f5c5c7c37e167aaad5630a07f1145d11616
SHA-1: 601fb13c6a713a377579bf7cc2231a61ed4128c8
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 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: d48da896f63809bf3a31e9d1728e206a