FIRMWARE DETAILS

iOS 18.3

Build: 22D63Jan 27, 2025Delta OTA

Stable

View details

Filename: ec4978e33ce2aff9574743b76dcfa8ce135314f0bbb26fb6573b5e35fc11de17.aea
File size: 4.03 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: 2b3de1541b0f1f13875314adeae7de27a5d38655dffe21abc045c511961a7134
SHA-1: 57a0982034c9ef86d815ec89ad61ed8e87e95740
Required starting builds: 21C62, 21C66
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 15 iPhone15,4

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: 720e843978ae854d4eb7ac0262e70285