FIRMWARE DETAILS

iOS 17.2

Build: 21C62Dec 11, 2023Delta OTA

Release CandidateStable

View details

Filename: 1a4a56e8a2e120ed3d7bd203b2e2ce41d54dba91.zip
File size: 4.42 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: f75670c3b6428f66c045b5b71256408ae360f7656b09bea8bd6b08fd8a340f89
SHA-1: 3aa631048faaf79e060d92e24cf60a87388b0833
Required starting builds: 19A340, 19A344, 19A346, 19A348, 19A404
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%3B21C62-RC.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 12e9b0a1fbc9dd6d0927a28fed7f6755

AppleDBhttps://api.appledb.dev/ios/iOS%3B21C62.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: d33a82b5a75a08f1ed04e3efe87d214f