firmwarehub.
العربية
FIRMWARE DETAILS

iOS 17.3

Build: 21D50Jan 22, 2024Delta OTA
Release CandidateStable

View details

Filename
5f71a5f117acc8504d12013fe85b628daee11af7.zip
File size
3.31 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
22b9ec6b3f4b78113b2db12b19744fb1f668ad1cb266ad21b6d81d3de2347a5a
SHA-1
88c72701687b2052b3a37db577b56f8964fb85a3
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 XS iPhone11,2
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