FIRMWARE DETAILS

iOS 18.3.1

Build: 22D72Feb 10, 2025Delta OTA

Stable

View details

Filename: 64f245786c6cef2e6fb9b8330584fd25c0d13330ea15330a948698f42035f745.aea
File size: 637.5 MB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 4650acfcb93fb0f7889d390f4ec7d017f0f6268bbda7db64b4f0450637a5201d
SHA-1: eb0a5be1c1926590dcfa0bb1101db61dbeeb35fe
Required starting builds: 22D60, 22D63, 22D64
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 iPhone17,3

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, 6:27 PM UTC
Record fingerprint: 3aa1b12ab32d61552bc2075797d3a0f8