FIRMWARE DETAILS

iOS 26.3 beta 2

Build: 23D5103dJan 12, 2026Delta OTA

Beta

View details

Filename: b7435709539d0b19c53e248620ed33bd59469f18.zip
File size: 984.2 MB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 8b2cb20f531cf3ff58086c56a5c871b1205218dbba02646477ef59abe9837357
SHA-1: b7435709539d0b19c53e248620ed33bd59469f18
Required starting builds: 23C5044b
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)

iPhone 11 iPhone12,1

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%3B23D5103d.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: d6a4268b5bfe41ed5e6a9d9c44780a5e