Multi-band EQ alignment with dedicated Subwoofer pre-out control How to Prepare Your Car Stereo for the Update
Resolves general interface lag and fixes persistent app crashes (such as Google Maps unexpectedly freezing during navigation). Zxdz 01 Latest Firmware
Inside apd_8227 , place the necessary .apk or system update files. Initiate Update: Plug the USB into the head unit. The system usually detects the update automatically. The system usually detects the update automatically
As of early 2026, the following firmware updates have been documented for the System Update (WJ): WJ_2025.10.28.12 Therefore, the manual method is more reliable
Officially, the ZXDZ 01 supports two update methods: and manual update via SD card . However, many users report that the OTA function fails to download or install the update. Therefore, the manual method is more reliable.
Stabilizes drop-out issues frequently encountered with Wireless Apple CarPlay and Android Auto .
Downgrading from v2.1.4 to 2.1.2 was successful only after a full flash erase, confirming that the new two‑slot OTA scheme does not support automated rollback. Manual rollback is possible but requires serial programming.