mini gps tracker.How to manually upgrade car GPS navigation

　　1. Firstly, locate the map folder in the navigation card: each map folder is labeled differently in English and cannot be confused. The software for maps is above 800M-2G. Easy to find. But it's important to absolutely distinguish which map it is.

　　2. Back up the map (copy) to a self-defined folder on another computer drive, such as Map Software. To prevent incompatibility with the map software and restore the original map.

　　3. Download the map compression software package (the website provides instructions on how to decompress). Extract a self defined folder.

　　4. Right click on the software program in the extracted map software folder and select all the corresponding map files in the copied navigation card.

　　5. The computer will prompt: Do you want to overwrite? Click.

　　6. Exit upgrade card: Install it into the navigation system. Normal use proves successful upgrade: a lot of new content has been added. Otherwise, the map software is incompatible with the navigation machine. We need to download a new map software with normal clarity and give it a try!

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