FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Full OTA

Stable

View details

Filename: f6df0fab72e6b88f4ced1be9ddfad03c7e657c5a.zip
File size: 7.77 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: 7e3382436fb5d2bf374d4f605c72b6d709aad51983c0a83d84137e4a5c377ecc
SHA-1: f6df0fab72e6b88f4ced1be9ddfad03c7e657c5a
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 (1)

iPhone 13 iPhone14,5

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