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How to Upgrade the In-Car Multimedia System?

1 Answers

StManuel

07/30/25 8:29am

To upgrade the in-car multimedia system, first determine whether the system is factory-installed or aftermarket. If it's aftermarket, download the required system program onto a USB drive, then upgrade the system via the interface without interrupting the power supply. Additional details are as follows: 1. In-car multimedia systems in vehicles are divided into two types: one is factory-installed, and the other is aftermarket. The upgrade methods for these two systems differ. The factory-installed multimedia system can only be upgraded at an authorized 4S shop for system map updates. The aftermarket multimedia system can be upgraded simply via USB transfer. 2. During the upgrade, note that some vehicle models have a dedicated USB cable for the host unit, which is not universal across all models. During the upgrade process, the central control interface will display a 'Connecting for Upgrade' message—do not disconnect the power. Power interruption may cause upgrade errors, which can be troublesome. After the upgrade is complete, restart the vehicle to access the upgraded interface.

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What does Brilliance BMW mean?

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