To update the firmware for a ZWNAV head unit (often called "Tesla-style" screens), you should primarily check for Over-The-Air (OTA) updates directly through your unit's settings if it is connected to Wi-Fi. How to Update ZWNAV Firmware Online/OTA Update (Recommended)
Keeping your system updated is about more than just new icons. For ZWNAV users, firmware refinements often address specific hardware-software integration issues: zwnav firmware top
XDA Developers Forum: This is the "top" community hub for these units. Search for the MTCD/MTCE/MTCP threads. To update the firmware for a ZWNAV head
System Speed: Updates for high-performance models, such as those with the Qualcomm Snapdragon 665 and 8GB RAM, optimize data read/write speeds for a smoother GUI. Solution: The Top firmware includes aggressive AGPS caching
Impact on Navigation and Mapping
GPS Test from the Play Store. Go outside, clear AGPS data, and update it. Lock should stabilize within 3 minutes.Or something similar, which might initiate a firmware update process. The actual command or options used would depend on the specific system.
Sellers often advertise Android 9 or 10, but some users have discovered their units are actually running spoofed versions of Android 8.1 The "Mekede" Alternative: Many enthusiasts find that firmware from sister brands like