“After the update, my ID.4 finally feels like a 2023 car, not a 2018 one. Voice control actually works now.”

The original ID.4 software (Version 1.x and 2.x) in China suffered from:

Unlike global ID.4s which rely on an ICAS1 (central compute) + ICAS3 (infotainment) setup, the Chinese 2025+ update introduced a :

: While minor security patches (like OUE7) can take only seconds, major system jumps can take 2–3 days VW Retailer

What makes these updates particularly notable is the specific tailoring for the Chinese consumer. Unlike the global software stack, the Chinese version of the ID.4 software is heavily localized. This includes specific integrations with local digital ecosystems, such as native support for popular Chinese apps and services that are inaccessible in the global versions.