Hello guys,im new here and i want to ask you something..my friend tried to update maps on this navigaton,and if im correct it is RT6 rneg2..and now navigation and unit arent working..i did few audi and bmw so he asked me to help..i told him to disassemble unit at take out sd card that is located in unit.i put that sd card in my pc and sd card is dead..now can u please tell what can i do to get it working again?i have bought new sd card for him..downloaded firmware update..can put firmware update on usb stick and install in it unit?or to do something else?i ve never did peugeot..citroen..etc..thank you in advance
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