FIRMWARE DETAILS

iOS 17.3 beta

Build: 21D5026fDec 12, 2023Delta OTA

Beta

View details

Filename: 85084e73c916e2485f94bf232b108132e8eeb951.zip
File size: 638.5 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: dce887ad8da1c53fbf6e55ed4a16eddc7e4b693d34b8a6cb9032896b1eb8ed09
SHA-1: bdad97e571e1f7b70a056fe7837b30f47956b733
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 iPhone14,7

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%3B21D5026f.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 02068c392e032fb64a160afd4cdf5874