FIRMWARE DETAILS

iOS 17.3 beta 3

Build: 21D5044aJan 9, 2024Delta OTA

Beta

View details

Filename: 3a91dff7f0b466646463a088ec06f9f8ad1a1abc.zip
File size: 590.9 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: b40b8dc9ae110015dd4d16de4797cb872f4fd76394c58152900af79ff7d3959c
SHA-1: e05fa1ab9a0d46231ec0482fefabdbb01e9fc355
Required starting builds: 21C5054b
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 14 Pro iPhone15,2

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%3B21D5044a.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 64f287e6963a6e99dabd1ecff07b4785