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.
At first glance, the version numbers suggest a downgrade (9.x to 1.x). In reality, this is a lateral shift across two entirely different firmware branches. If your system is currently displaying , you are likely running an older Rockchip-based unit. The target, 1.0.13.1 , belongs to the newer, more stable Linux-based "Medianav Evolution" or a rebranded equivalent (common in Dacia, Renault, and certain Chinese-sourced head units for markets like South America and Eastern Europe). upgrade medianav 9.1.3 to 1.0.13.1
Here is everything you need to know about making the jump. Users stuck on 9.1.3 often report three specific pain points: glacial boot times, Bluetooth audio stuttering, and a UI that feels like navigating a 2012 budget tablet. However, if you are battling daily Bluetooth disconnects,
Once you flash 1.0.13.1, you cannot go back to 9.1.3. The bootloader is permanently updated. Proceed with eyes open. In reality, this is a lateral shift across