FIRMWARE DETAILS

iOS 17.6.1

Build: 21G93Aug 7, 2024Delta OTA

Stable

View details

Filename: 920a3907dbaa76c3edc845648cd1f0aa6f4d52c2.zip
File size: 3.98 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: 71ff95634f6079ead23f8e156a4edc111c12833be0db8bf1159c162168f6bf06
SHA-1: bcaf4188f2917287801f3d1982e5d389190e1868
Required starting builds: 20A362, 20A380, 20A392
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 XS iPhone11,2

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