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FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Full OTA
Stable

View details

Filename
89d9f2d48df45d2ab65c8d47ab84f3cfae6cde08.zip
File size
7.49 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
ee3f7ef77422fb1ac5ccf25a225e4845db433bb8765311a7919f33f5806be5b0
SHA-1
89d9f2d48df45d2ab65c8d47ab84f3cfae6cde08
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.

Compatible hardware (2)

iPhone 11 Pro iPhone12,3
Unknown
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%3B23D8133.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: d48da896f63809bf3a31e9d1728e206a