FIRMWARE DETAILS

iOS 17.5 beta

Build: 21F5048fApr 2, 2024Delta OTA

Beta

View details

Filename: e63b18974df85210a36e1c5034f81e07058f7b8f.zip
File size: 787.8 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: 21adabfbc5c7887161511b1be60fb4601378f621cac4c83fef1503167d3ca302
SHA-1: 06128fe521706d8add1946f0341c81e29bfc1a91
Required starting builds: 21E5200d
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%3B21F5048f.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: a0f3b7c474ec584c0b00ea3cda0a1cfd