Disclaimer: Firmware versions and procedures change. Always consult your local MG dealer or official owner's manual before performing updates. The author assumes no responsibility for bricked head units or voided warranties.
DIY updates are performed at your own risk. A failed update can render your infotainment system inoperable until a dealer can fix it. It is highly recommended to only proceed if you are technically confident and have thoroughly researched the process for your specific MG4 trim. mg4 firmware update
Warning: Only perform this if you are comfortable with technology. An incorrect file can disable your screen. Ensure your 12V battery is fully charged (not just the high-voltage traction battery). Disclaimer: Firmware versions and procedures change
Some updates may reset your radio presets or climate settings. DIY updates are performed at your own risk
before bringing it in, as some modules may not update if the 12V or traction battery is too low. ⚠️ Potential Issues to Watch For