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FIRMWARE DETAILS

iOS 26.4

Build: 23E246Mar 24, 2026Delta OTA
Stable

View details

Filename
53d38c88004ddb7b0dd2bc08afed9250416530b8.zip
File size
5.75 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
91f1d92c6074e5e9a7fd46c9f0861645edb1d912d55b0ded83f5c441317dbf14
SHA-1
53d38c88004ddb7b0dd2bc08afed9250416530b8
Required starting builds
21B101, 21B74, 21B91
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%3B23E246.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: a55c8ee2f9fc0fcbc1637ce8870341b4