FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Full OTA

Stable

View details

Filename: 53cfa7e92e3116578b746287d93293de71b648e1065686ce62428ee0f433879e.aea
File size: 7.92 GB
File type: Full OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: de30617ddff475a1c78193d4bbb6e9e4464c2e463058888a858a56d9c95da16f
SHA-1: 2db99e8286bc02e3692179e4c2bb518f59350be4
Required starting builds: Not reported
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 iPhone15,4

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: d48da896f63809bf3a31e9d1728e206a