Mg4 Firmware Update
This report details the current state of firmware updates for the MG4, covering update methods, known issues, and the 2026 model refresh. Current Update Methods
Cruise Control Logic:
Adaptive Cruise Control (ACC) now adjusts speed in 5 mph/kph increments with a long press and remembers your last distance setting. mg4 firmware update
How to identify:
If your car is experiencing glitches with lane keep assist, charging, or pre-heating, these are rarely fixed via OTA. This report details the current state of firmware
- LFP Battery Health (Huge for SR owners): The R46 or later updates finally fixed the inaccurate State of Charge (SoC) on the Standard Range. No more sudden 10% drops or getting stuck at 80% indicated when it’s actually full.
- The “DVD” Screen is Gone: Early firmware made the infotainment laggy and the 360° camera stutter. The new software makes boot-up much snappier.
- LKA is (mostly) tamed: The infamous lane-keep assist—once a dangerous tug-of-war—is now less aggressive. It still nags, but it won’t try to fight you around a pothole.
- Scheduled Charging works: For many, the early bug where the car ignored overnight schedules is fixed.
Parked Only:
You cannot update the firmware while the vehicle is in motion. LFP Battery Health (Huge for SR owners): The