FIRMWARE DETAILS

iOS 17.0 beta 5

Build: 21A5303dAug 8, 2023Delta OTA

Beta

View details

Filename: ecf666ea4662e215a7318a004813bee3659abceb.zip
File size: 839.1 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: 8c18d2515811d57938dcca5e3551486a8a5a8858eba8fbec1962ec7ab7d205c7
SHA-1: d8853fe8d860c5485bb1750673a453aec5281873
Required starting builds: 21A5291j
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 SE (2nd generation) iPhone12,8

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%3B21A5303d.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 3facdd12afb2fd151351de5ba84bf1cb