firmwarehub.
العربية
FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA
Stable

View details

Filename
cfead3db4c339d6663f7c27d40df6d979423944a.zip
File size
6.65 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
d7eb1bcf847dd959b9b29cddd1f3d4ffa7ab72b644a085990410bf094e064fdc
SHA-1
cfead3db4c339d6663f7c27d40df6d979423944a
Required starting builds
20A362, 20A380, 20A392
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