FIRMWARE DETAILS

iOS 18.6.1

Build: 22G90Aug 14, 2025Delta OTA

Stable

View details

Filename: 21cdccc417d11ad64c2b66f9524225fb00ee3841cddb53787bdfa23a057e6349.aea
File size: 4.43 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: fb0d3a5ebe55e71d617632d36a73868629d2d4bceb1a49d87af31f0830aadf4b
SHA-1: 23831b3670efa9c7d07eac5757874b08ed260f8f
Required starting builds: 21D50, 21D61
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, 6:26 PM UTC
Record fingerprint: 30af78bad187590c1c080783cb4aa63c