In China, Volkswagen splits its production between two separate joint ventures, meaning the rollout schedules and precise software designations can occasionally vary. SAIC-Volkswagen (ID.4 X)

This has forced Volkswagen to completely overhaul its Chinese EV strategy, moving away from "global standards" to deep collaboration with local tech giants like XPeng to integrate their industry-leading autonomous driving and cockpit systems, as seen in the new ID. UNYX sub-brand.

As of April 2026, Volkswagen has introduced a new software generation specifically tailored for the Chinese market, featuring:

: The latest OTA version commonly seen for older models in China is 3.7.2 (internally displayed as 2978 ).

For now, the is the "new" standard, and it transforms the ID.4 from a competent German EV into a competitive Chinese smart car.

The latest software rollout addresses several foundational pillars of the ID.4 digital experience, heavily relying on regional engineering adjustments developed directly by local divisions like CARIAD China .