FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA

Stable

View details

Filename: 4d8986c4badca8dc75868e7c48afa926085a8460d6f20fd2b72a244a7bb0ef6f.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: de14ceaf261f7dc146e772b7b9bc855d8ef1e9e7d5b2c734ce0160e8f6ecb9b1
SHA-1: 11879995999f69770f8294a68a78dc5e90e385ca
Required starting builds: 22F76
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: d48da896f63809bf3a31e9d1728e206a