new car (to me) with igo primo

Hi ive just got a new car and it had an afytermarket stereo fitteed its unbranded. Ive taken out the memory card to try and update the maps but the software desnt recognise it, after looking whats on the memory card it has pointed me to this forum. can anyone help with updating the maps please not sure what i need to do, thank you.

from what i can tell its igo primo 2 with 2013 maps so there well out of date any help updating it will be very appreciated