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FIRMWARE DETAILS

iOS 17.3 beta

Build: 21D5026fDec 12, 2023Delta OTA
Beta

View details

Filename
3a3688e48f4f981e4adb8626fef7cdff791a250d.zip
File size
639.3 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
936eb7c7a4e3fcd55fc710235ed85555d1eecbd21a2b002d1dc458237a4a80f7
SHA-1
8d8fd8b5512bc01239d13e0b4c36ad15654c84ae
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)

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%3B21D5026f.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 02068c392e032fb64a160afd4cdf5874