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FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA
Stable

View details

Filename
5edae3569c0789bdd96eddfdf442d9d9a267c51a1fdc9e91842102380b7f40e7.aea
File size
6.78 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
b94288f1d9864083b41c18c6af7bf379d2bc03f89234f9a585bd6941c56b8283
SHA-1
1eb02881689f7a034d9ec3e14cd23f6141dc06b8
Required starting builds
20B101, 20B110, 20B82
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)

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