FIRMWARE DETAILS

iOS 17.3 beta 2

Build: 21D5036cJan 3, 2024Delta OTA

Beta

View details

Filename: 8ccb2183d8a08e4c6477a4711cddd12545a4a0d9.zip
File size: 541.3 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: afec7b6ae312b5d4f8f822cdc8d74985f52e0a56421d2721ad49b0d046dcf767
SHA-1: 18e87190862816f87911b3d2c2465110d71b780c
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 11 iPhone12,1

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