FIRMWARE DETAILS

iOS 17.2

Build: 21C62Dec 11, 2023Delta OTA

Release CandidateStable

View details

Filename: 42e0458c34f13d139b056cb0a7cbf659365d18f2.zip
File size: 4.28 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: e15d69c21d3be3261361943fd2d46ed9f0c1046990bedc1c350f4978046dfaed
SHA-1: 4c8d42cf9362acc23e45223f27acb2e88cb7e058
Required starting builds: 19C56, 19C63
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 SE (2nd generation) iPhone12,8

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