FIRMWARE DETAILS

iOS 18.1

Build: 22B83Oct 28, 2024Delta OTA

Stable

View details

Filename: 4a9c389b444b570b645a92f26ee235621b757fe0.zip
File size: 3.70 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: 3536773dc01485d574fb439fe3a6e8d115e4f73176d6faeac18acf03c4c33740
SHA-1: 4a9c389b444b570b645a92f26ee235621b757fe0
Required starting builds: 21E219, 21E236, 21E237
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

Compatible hardware (1)

iPhone 13 iPhone14,5

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

AppleDBhttps://api.appledb.dev/ios/iOS%3B22B83.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: b8d99540eed949e7a10189815a588a94