I also had the same problem with my GO 5000. After updating to Navcore 22.1 it was not possible to update, delete or change the lifetime map with MyDrive. With the help of the magic sd-card to delete the map folder from the device it is working again.

GO5000 with wrong map installed by MyDrive-how to delete?

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krypton054 Reviewed by krypton054 on . GO5000 with wrong map installed by MyDrive-how to delete? Have here GO 5000, where the client did a free and legal map update before 5 years. But inside is "some like wrong map". Description of map is EU WM No3D v946.6347. Navi works OK, but no way to update. MyDrive shows me map for Europe, the map is loaded to MyDrive, but in the moment when MyDrive need load to Go5000, basically nothing happend. My Drive looks like waiting for device. Waiting and waiting and nothing happend. I did firmware update by MyDrive, no problem, firmware updated. I did Rating: 5