Hi all, new to the forum, am looking for some info on updating my Sony XAV-602BT head unit. It has the optional XA-NV300T add-on module, which connects to the head unit with a USB cable and has an external GPS antenna. Inside this module is an SD card with the TomTom maps. I tried to buy the updated maps from TomTom but it seems the device isn't supported any more... What info do I need to know, before I can work out what map I might be able to use?

Apologies for the noob question!

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Sony XAV-602BT... How to update?

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Module is this:
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TCM_2021! Reviewed by TCM_2021! on . Sony XAV-602BT... How to update? Hi all, new to the forum, am looking for some info on updating my Sony XAV-602BT head unit. It has the optional XA-NV300T add-on module, which connects to the head unit with a USB cable and has an external GPS antenna. Inside this module is an SD card with the TomTom maps. I tried to buy the updated maps from TomTom but it seems the device isn't supported any more... What info do I need to know, before I can work out what map I might be able to use? Apologies for the noob question! Device Rating: 5