FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA

Stable

View details

Filename: c614b7fdde6adfa309e3ef859d1780934ce62207867a4d3a2e4784ae3aa6d5ba.aea
File size: 4.76 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: 9020c5f6a276bbd9b1f93fbf70f08c7275f9571638e2e090dbce4244dbb5710b
SHA-1: 00be73fe1cfb2c1bf09a2e443e9f959a0f2d1fba
Required starting builds: 22G100, 22G84, 22G86, 22G90
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