FIRMWARE DETAILS

iOS 18.3.1

Build: 22D72Feb 10, 2025Delta OTA

Stable

View details

Filename: 513d8c3be49f8f7267a3f93ad8ac3ac405ab27bba15dd38356ce9931f9a63f9b.aea
File size: 2.62 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: de40c4a50a11de1099438d04c4778ba9fdb0c852b96b4073698bdfa221fc2c98
SHA-1: 2ae5a14f2471b1790e153d0805ec752fb6710ed9
Required starting builds: 22A3351, 22A3354, 22A3370
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 Plus iPhone17,4

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, 6:27 PM UTC
Record fingerprint: 3aa1b12ab32d61552bc2075797d3a0f8