FIRMWARE DETAILS

iOS 26.3 (b)

Build: 23D770890vJan 8, 2026Delta OTA

Beta

View details

Filename: 8f6f219ef5f3b6102567bdbc4726c359838d31c96231f8e06939312b48aeee7e.aea
File size: 458.8 KB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 196930cc63f87c7a389472f7c8db877dd462c3f7f07d39fcd6bec5479ebc6b48
SHA-1: 9ba5ea6fc0645d01d087da9d6596a118729c0922
Required starting builds: 23D5089e
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 17 Pro iPhone18,1

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: 08f59d58762652a408f2d863a294a747