The following is the upgrade method of BYD Express Navigation: 1, to check whether the corresponding version of the map is the latest, click Navigation-Enter Navigation-Select BYD Express-Select Function-Help-Version Information;

2. Download the corresponding version of the map, and use the Thunder download tool to download the latest map version for updating;

3. After connecting the computer with a data cable, open my computer and find a new drive letter;

4. Copy the entire KLD folder to other drives of the computer for backup;

5. Name the decompressed folder as KLD folder. If it is already a KLD file name, you don't need to rename it. Open the navigator-click Settings-GPS Path Settings-Set DSA. EX or (DSA20 1 1. EXE) as a navigation path, and check the map version information to see if it is the latest map. Normal operation and use, complete the upgrade.

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