Once you flash 1.0.13.1, you cannot go back to 9.1.3. The bootloader is permanently updated. Proceed with eyes open.
However, if you are battling daily Bluetooth disconnects, excruciating boot lag, or you need to run a third-party CarPlay dongle (which requires a Linux-based kernel like 1.0.13.1), then the cross-grade is a lifeline. Just treat it like a surgical procedure: prepare the USB correctly, respect the power cycles, and accept that you are moving to a different platform, not a newer one. upgrade medianav 9.1.3 to 1.0.13.1
In the fragmented world of aftermarket and entry-level OEM infotainment systems, few version jumps are as confusing—or as rewarding—as the leap from Medianav 9.1.3 to 1.0.13.1. Once you flash 1