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FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA
Stable

View details

Filename
1cba90d253621e00a3f36421908ddd41d1a99c24.zip
File size
6.58 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
7c8a040c13cd8bc3838671dc1347c01b9ffe3861f08c4c8d0a2fa10c82d0b7b6
SHA-1
1cba90d253621e00a3f36421908ddd41d1a99c24
Required starting builds
20A362, 20A380, 20A392
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%3B23E254.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: 068f9108c631b2be9610754c465ed403