FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA

Stable

View details

Filename: db86e64bd2fbe2148d450eb5d40a721ac85a5c957ccc5e28f3c367bc9d6f9b2c.aea
File size: 5.70 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: 06e4555e218191062954f9f93e550660dd53b79adf272c56f8aeabc4b72f59f2
SHA-1: 12b3812132e054c46865b3c8aeed32871cd2c57f
Required starting builds: 21H16, 21H216, 21H221
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 iPhone15,2

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