@Boki_Srb，Dear master

I know,Samsung Tablet PC SM-T710, SM-T550, SM-T350, Samsung mobile phone SM-N9005, G9009W, Huawei M9, Red Rice Note 4X, Note 7 and other models of mobile phones can be used in the external card as follows, support *.ov2 files，No root required：
extSdCard/Android/data/com.tomtom.gplay.navapp.nds/files/pois/…….