FIRMWARE DETAILS

iOS 17.6.1

Build: 21G93Aug 7, 2024Delta OTA

Stable

View details

Filename: 42732cb8dac1523440c4c6bef19fa69b4bc0b682.zip
File size: 4.32 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: f21a9bcbc7694fe8027a07514ba9b1e1f9f424d71a96027cdf8439d544163275
SHA-1: 7a64eb184f953534460dd985e2f6ba47be60fa14
Required starting builds: 20C65, 20D47, 20D67
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 14 Pro iPhone15,2

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%3B21G93.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 8a28e6d5071ff14eae9c5468f13f3b57