FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA

Stable

View details

Filename: 590f986ff010685932a8c06f623351c7c9f23139487f3ed1598004e2f13ae2c3.aea
File size: 6.44 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: ff8f895e9e6e82bce7ffbde72ca52c9a1cb591e2f135e0a612fa17ac2af793f2
SHA-1: 9cfaba3f8560b61b37c81c126395c243876ee4e1
Required starting builds: 20G75, 20G81
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 14 Pro Max iPhone15,3

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