FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA

Stable

View details

Filename: 0e214577eb5c9d0eae6a6d1c5ab42dffe95808d0c48dda619b54a6cc9ed1dc12.aea
File size: 3.02 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: 3be813e23f36710f289b8c06b77f0a148a15171a5a173478d4c35caa23653075
SHA-1: fb2725b19010b73339bdecc7985d3962daab9484
Required starting builds: 23A330, 23A340, 23A341
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