Hello, i have problems with ZT-VW801, it's some Chinese device and it had navigation card which was working but then stoped, after i connected it to PC i was it was IGO system folder was named Primo2, and file Primo. So i deleted it all and copied new software (which i tested before and it's working), but after i put card back i always get this message no GPS card, i tryed many diffrente names, like mobilenavigator, etc, but always same, tryed even 2 diffrente softwares but always same. I even tryed different sd card, i through card might be failing so that why it stoped working in first place, but again same result. What could be problem and how i can solve it? Thanks.
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