FIRMWARE DETAILS

iOS 18.2.1

Build: 22C161Jan 6, 2025Delta OTA

Stable

View details

Filename: a1955f207ac7d2ae0a725e9fe986869e1242cd27.zip
File size: 3.65 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: c3dc906835925febdef530715baafda9476698d734d3246edc629356d8025f39
SHA-1: a1955f207ac7d2ae0a725e9fe986869e1242cd27
Required starting builds: 21F101, 21F79, 21F90
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 11 Pro iPhone12,3

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%3B22C161.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: 6c312e9c6b3fbf154fc4f234ff1ea543