FIRMWARE DETAILS

iOS 17.3 beta

Build: 21D5026fDec 12, 2023Full OTA

Beta

View details

Filename: 291c144422e5d008427be31043eb6daee9310c71.zip
File size: 6.24 GB
File type: Full OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 6273714aed1cf6ac5ec80217967c74cdeae87ed60450b52af9012f86254356d3
SHA-1: 4f9ae26c3fa21c731136bef5afba0d89d0ee140e
Required starting builds: Not reported
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 15 iPhone15,4

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