FIRMWARE DETAILS

iOS 17.5 beta 4

Build: 21F5073bApr 30, 2024Full OTA

Beta

View details

Filename: 6bfeca6776ce0669c58d7f565d74380c5583c537.zip
File size: 6.16 GB
File type: Full OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: d5d10c8f5e1e0fdbe1aad474ab92fae6e8a2aab4462f05378869898f0647dce0
SHA-1: 86e312b19c9b7808749f024b39f944a6ef5e438d
Required starting builds: Not reported
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 iPhone14,5

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%3B21F5073b.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: e511979c038b1b785b73b05746d99ae6