FIRMWARE DETAILS

iOS 17.5 beta 3

Build: 21F5063fApr 23, 2024Delta OTA

Beta

View details

Filename: b7ec979bb2bb0d129035cbe1bdb0f3d1dcaaa66e.zip
File size: 956.1 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: a62d854c7ece60884f32b783b7cd4b450d6590bfbc9cfbf0053f8eff3f63a16a
SHA-1: 70040039b600313724f6458bcb38b68d2b9b3bb5
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 15 iPhone15,4

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