FIRMWARE DETAILS

iOS 17.6.1

Build: 21G101Aug 19, 2024Delta OTA

Stable

View details

Filename: 0a6b01fa1e7b73a841892a13dcb481704d60fd9e.zip
File size: 4.20 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: 4c0d22948a9d140c255de041a6c70fe18e855faf5e5b1cf1c5febf5d0c79190f
SHA-1: e21f54c2e930b7c4aaca30246277570c99c89ff3
Required starting builds: 20B101, 20B110, 20B82
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 13 Pro iPhone14,2

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