Source a physical head unit from a newer model or a breaker's yard. Swap the physical units behind the dash.
Hold on. Do not lose this card. This is your brain transplant. upgrade medianav 913 to 10131
Upgrading a MediaNav system from version (often referred to as 10.13.1) is not possible through standard software updates Source a physical head unit from a newer
If you choose to stay with your current hardware, version 9.1.3 is already the most advanced official software available for that device. You can still perform regular maintenance through official channels: upgrade medianav 913 to 10131