FIRMWARE DETAILS

iOS 17.2

Build: 21C62Dec 11, 2023Delta OTA

Release CandidateStable

View details

Filename: e4b7cb1f352120b9b9a06bcb2c501337b761d70e.zip
File size: 1.70 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: 79463bb31392fddc6efd3a2f80271730b05c1f3eae88b18c925a4d3eb9458e8d
SHA-1: 4083ade4a1a94228816a7af694a10da44badb831
Required starting builds: 21A326, 21A327, 21A329, 21A360
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 15 Pro iPhone16,1

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