FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA

Stable

View details

Filename: c2133d80192b675a8a109a7db5a61c4328dc310337daa2815a6fb7b3ef6284a8.aea
File size: 7.18 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: cacfe66bbf7b15cadf43e55b890e2ec6d4f13ff52c34e1ea204404f7dae343c9
SHA-1: d7a46e8a23043184eb073d780e05ae6dccba4d95
Required starting builds: 20A357, 20A362, 20A371, 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.

iPhone 14 Pro Max iPhone15,3

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