Alternatively, if your device has a small OLED screen, you can cycle through the menu using the onboard button until you see a VER number.
– Send AT+VER again. You should see ZXDZ-01_v3.2.0 . Zxdz 01 Latest Firmware
The term "Zxdz 01" does not correspond to a widely recognized mainstream consumer electronic device or a major brand name in current global databases. It appears to be a hardware identifier, model number, or codename associated with: Alternatively, if your device has a small OLED