FIRMWARE DETAILS

iOS 17.3 beta 2

Build: 21D5036cJan 3, 2024Delta OTA

Beta

View details

Filename: 4f6a55bee22b3f980a5b9f814a4fa58a8a6a0ef1.zip
File size: 468.9 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: 4f444c2dd5a03a3f63b8128035bc8f4448823c956d090d95f09310442dbb96c6
SHA-1: 0d2f900d38bbb05cd5a9d8c3bd740f6bd5fd4249
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 mini iPhone13,1

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