FIRMWARE DETAILS

iOS 17.3 beta 2

Build: 21D5036cJan 3, 2024Delta OTA

Beta

View details

Filename: f28aee9c23e2d4df82eed88f916a71a07bc85e3a.zip
File size: 464.2 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: 53fd3e34d1757c012723a999534f9c72e59b06d089dfd1facb05ff27cb106dec
SHA-1: 20fa7d4f94fd28f961b395583682010d686546f2
Required starting builds: 21D5026f
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 12 Pro iPhone13,3

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%3B21D5036c.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: d2dac38814d94a5ea5597b6a0db4ba62