FIRMWARE DETAILS

iOS 17.6.1

Build: 21G101Aug 19, 2024Delta OTA

Stable

View details

Filename: 43c2f133d101227e57f1ae0d53372413d539de39.zip
File size: 3.71 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: cc9a10e8bb486dcc864d48fe9383d9e886caef89fef0124e90d765a90402d225
SHA-1: 71385ab77797dc8d766846ea4c8bc9803074fb16
Required starting builds: 20G75, 20G81
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 12 iPhone13,2

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%3B21G101.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: fa83dae98379e752d48badccb601c2fa