FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Full OTA

Stable

View details

Filename: 900c8ea3283082c286953e1c970d2d65b39d3d358dfe3ef567e5d597cd1c2972.aea
File size: 8.52 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: 3be14632215d8643b17b0c9d2408eafedd4d7f4f6556fd7d04210cfb9ca94847
SHA-1: bf96d5f622e94032a2e98a35b7455c0848995193
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 17 Pro iPhone18,1

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