Once you flash 1.0.13.1, you cannot go back to 9.1.3. The bootloader is permanently updated. Proceed with eyes open.
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
Once installed, you can officially update this new unit to version 1.0.13.1 using the Dacia/Renault Media Nav Evolution Toolbox. Option 2: Using Custom Firmware (The Visual Upgrade) Once you flash 1
Before attempting any files transfers, you must identify your hardware to avoid bricking your head unit. At first glance, the version numbers suggest a downgrade (9
If you do not want to replace the hardware, you can use custom software "skins" or builds like Mediaskin or SuperMod. These tools allow 9.1.3 units to mimic the interface of the newer systems. Download a trusted custom skin designed for version 9.1.3. Format a USB stick to FAT32. Copy the upgrade.lgu file to the root of the drive. Start your engine and plug the USB into the MediaNav.