FIRMWARE DETAILS

iOS 17.5 beta 3

Build: 21F5063fApr 23, 2024Delta OTA

Beta

View details

Filename: 55b1c192cbbfd8102f2730f5f01ba8a14c1173bf.zip
File size: 729.0 MB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: c0f0068519a26b259d7b9b60be7467955b7631da9844126b19dfc4d9da16a0ba
SHA-1: c5e8e8394ecb88dcd98cb406d9af1e8fe1cd5e96
Required starting builds: 21E5209b
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 SE (2nd generation) iPhone12,8

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%3B21F5063f.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 093a9c80958a03cdd0c5b099d52c8f6a