FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA

Stable

View details

Filename: 15f539ad2689e39c51416291190bc190c01ec70a2b49d5b5fc306788b09e2939.aea
File size: 2.82 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: 0296580c910263c695c01db7a5923ba8180264e25adb7671be244e11f4274c1e
SHA-1: c66f0067cbf103a534ffb83de46d14fc85312e36
Required starting builds: 23D125, 23D127
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

iPhone 15 Plus iPhone15,5

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

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