Locate the official upgrade.lgu file for version 1.0.13.1. Place this file directly in the root directory of your USB drive. Do not put it inside a folder. 3. Execution
Smartphone Integration: Gain native support for Apple CarPlay and Android Auto.
The screen may turn black or restart several times. This is normal. Do not remove the USB drive or turn off the ignition until the radio returns to the main menu and displays the home screen. Troubleshooting Common Issues upgrade medianav 9.1.3 to 1.0.13.1
Mic Issues After Swap: If you swapped hardware from 9.1.3 to a newer unit, you might need to enter the "Micom Manager" (service menu) to enable the rear-view camera or adjust microphone gain settings. Final Thoughts on the Transition
Before you begin the software process, it is vital to understand that 9.1.3 and 1.0.13.1 run on different hardware architectures. Locate the official upgrade
Stability: Version 1.0.13.1 is widely considered the most stable "final" build for this hardware generation.
The Upgrade Path: To achieve this upgrade, you must replace your physical head unit with a newer ULC4 model (often found in 2019+ models) and then update that unit to the 1.0.13.1 software. This is normal
The move to firmware version 1.0.13.1 provides several transformative benefits that go beyond simple bug fixes.
Hardware Swap: You cannot simply "flash" 1.0.13.1 onto a 9.1.3 head unit. The 9.1.3 system uses a MIPS processor, while 1.0.13.1 requires the ARM-based hardware found in Evolution 2 units.