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FIRMWARE DETAILS

iOS 17.3

Build: 21D50Jan 22, 2024Delta OTA
Release CandidateStable

View details

Filename
c6883c3f4629d7de3028bd3b1f060ef1560da2c0.zip
File size
3.52 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
d9f4ec33908508c71944cf68c392d566c6db26bfce41cf40b53b89bb63485676
SHA-1
1f70ab6da8c2059f024ed7a06899099f469fb3b7
Required starting builds
20E247, 20E252
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 13 Pro iPhone14,2
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%3B21D50-RC.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 4b3232377333738272b60b561711624e

AppleDBhttps://api.appledb.dev/ios/iOS%3B21D50.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: b760c8e57a8ccf1aa32ec81eaf502938