FIRMWARE DETAILS

iOS 17.7.2

Build: 21H221Nov 19, 2024Delta OTA

Stable

View details

Filename: 5a41f49816b277fb915ef816e1a15fec2d0f91f7.zip
File size: 1.80 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: c19f497194a9188c917ab9a3781d7b30e871d4cbad38f6603e875e1383788f5f
SHA-1: c7c8b06919f4b00da78251ef84f20d6489d2fb8f
Required starting builds: 21C62, 21C66
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 Plus iPhone15,5

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%3B21H221.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: 346e1c45f7ddd8916eb8bb86f371980e