If I copy map into SD card with R-Link, which files should I backup?

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And, if I install map into device, how can I backup them?

yuebianyun Reviewed by yuebianyun on 2nd November 2021. Nav3, How to backup recent places and my favorite? If I copy map into SD card with R-Link, which files should I backup? And, if I install map into device, how can I backup them? Rating: 5