FIRMWARE DETAILS

iOS 17.0 beta 6

Build: 21A5312cAug 15, 2023Delta OTA

Beta

View details

Filename: 8223be9d8f7be09dc6a9bb8a532aca0ffc32ca1b.zip
File size: 3.06 GB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 685158e75616f60fe89c884dae840f37fe3f4bd717f748807a62b04b3dbda4a9
SHA-1: 068d508ed1f2c6b98848a5d7084e385b38bd69c2
Required starting builds: 20G5070a
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 iPhone13,2

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%3B21A5312c.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 9b293a26e549c5c3543a6b4a8f181487