To update your Navivox ZQ8003 (or similar branded Android Head Unit), you must obtain the correct firmware file directly from your manufacturer or seller, as these devices use heavily customized Android software specific to their exact hardware
Updating Your ZQ8003 Android Head Unit: A Complete Guide The (often branded under names like Hizpo or Silverstrong) is a popular choice for car infotainment upgrades. However, keeping it current can be tricky, as these units often report a "fake" Android version (e.g., claiming to be Android 10 while running API 28/Android 9).
Do not download random files yet. First, identify your exact build.