Zxdz 01 Latest Firmware Page

(or WJ) is a popular Android-based car head unit powered by the MT/AC8227L

• Use an Arduino or USB-to-UART adapter.
• Download HC-05 firmware (e.g., from Martyn Currey’s guide).
• Warning: This will not improve OBD performance, only Bluetooth stability.

turn off the car or disconnect the USB during this time, as it can cause irreparable damage. Zxdz 01 Latest Firmware

Power Connections: Ensure the yellow (+12V), red (ACC), and black (GND) wires are powered. (or WJ) is a popular Android-based car head

sha256sum zxdz01_v2.1.4.bin
# Expected: 7f83b1657ff1fc53b92dc18148a1d65dfc2d4b1fa3d677284addd200126d9069

5.3 Over‑the‑Air (OTA) Update

If the device is already running v2.0.0 or newer: Use an Arduino or USB-to-UART adapter