When you receive a major firmware update, keep the following things in mind:
The Ultimate Guide to MG4 Firmware Updates: Boost Performance, Fix Bugs, and Get New Features
: The most seamless method, where updates are delivered wirelessly to the car. However, this feature has been a point of confusion and frustration for many early MG4 owners. While some MG4 models, particularly newer "facelift" versions, have hardware (like the Snapdragon 8155 chip) and software that support OTA, many owners of earlier models have reported never receiving a single OTA update , leading to a great deal of skepticism online.
Early MG4 models were criticized for an intrusive Lane Keep Assist System (LKAS) that would "ping-pong" the car between lane lines. Firmware updates have smoothed out the torque vectoring for the lane-keeping assist, making it feel more natural and less aggressive. Updates have also improved the traction control system, preventing power cuts on bumpy surfaces. mg4 firmware update
What are you located in, and what is your trim level (e.g., Standard, Long Range, XPOWER)?
Disclaimer: Firmware updates should always be handled by trained professionals. Do not attempt to modify the vehicle's firmware yourself, as this can void your warranty and cause severe malfunctions.
If you own an MG4, you have likely heard conflicting advice from online forums. Should you let it update overnight? Why does the infotainment screen freeze? What is the difference between a dealer update and an OTA (Over-The-Air) update? This article provides an exhaustive deep dive into everything you need to know about MG4 firmware updates, from step-by-step instructions to troubleshooting the most common errors. When you receive a major firmware update, keep
Before trying to update, you should check what software version your vehicle is currently running. Turn on your MG4’s ignition. On the central touchscreen, tap the (gear) icon. Scroll down and select System or About .
For the Trophy long-range (with the heat pump), a firmware update unlocked "Intelligent Battery Heating." This pre-heats the battery when you navigate to a fast charger, dramatically improving winter charging speeds.
Beyond infotainment features, some updates are essential for safe and reliable vehicle operation. Early MG4 models were criticized for an intrusive
If your customized drive modes or safety alerts reset every time you cycle the ignition, the dealer may have updated one control module but missed a dependency module. Contact your service center to ensure all relevant modules were updated simultaneously. The Bottom Line
Dealership technicians plug a specialized diagnostic tool directly into the car’s OBD2 port to flash the electronic control units (ECUs). These updates take anywhere from 45 minutes to several hours, as multiple modules must be updated in a specific sequence.
How you get the latest software depends on which part of the car needs updating: MG4 Software updates | MG4 EV (2022 to 2025) Forum