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FIRMWARE DETAILS

iOS 18.4.1

Build: 22E252Apr 16, 2025Delta OTA
Stable

View details

Filename
41e6cf9cca8307821041a26155516181f4a4c779.zip
File size
4.05 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
024afcd0f349525bb1712d4b4c42ac5250d75f51123fb65e3594d638b474fdea
SHA-1
41e6cf9cca8307821041a26155516181f4a4c779
Required starting builds
21F101, 21F79, 21F90
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%3B22E252.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: c0dcb321fa693604d7b867c4fca4fcff