FIRMWARE DETAILS

iOS 17.3 beta 2

Build: 21D5036cJan 3, 2024Delta OTA

Beta

View details

Filename: d8711271bd365a40db46f7e6e2cfa5f4788c971e.zip
File size: 486.0 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: 28cd316fde1763751864bf36cef4eda54d52e62daea468e24c6139fef5d0850f
SHA-1: 26b50a684d2f97608271e0a4d52a8473589d35fb
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 13 iPhone14,5

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