firmwarehub.
العربية
FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA
Stable

View details

Filename
3a4ba50f87113d581aa315a5bb916e26ec9f5b2f.zip
File size
4.12 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
36c0894a21524f4f60a8470467acc9646b40b78ce444d084fd30e7a925f3a92a
SHA-1
3a4ba50f87113d581aa315a5bb916e26ec9f5b2f
Required starting builds
22H123, 22H124
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