Mg4 Firmware Update

As of late 2025, MG is rolling out R46/R50 software revisions. These include:

Furthermore, whispers in the engineering community suggest MG is testing a "retrofit" update allowing Android Auto full-screen rather than the current letterboxed view. mg4 firmware update


A notorious issue where the high-voltage traction battery fails to top up the small 12V starter battery, leaving the car dead. A BMS firmware update revises the "wake-up" logic to prevent this. As of late 2025, MG is rolling out


This is mandatory for deep-level vehicle control modules (VCU, BMS, EPS). A notorious issue where the high-voltage traction battery

If an OTA update is available for your vehicle:

The MG4’s LKA was notorious for "tugging" at the steering wheel aggressively, especially on narrow UK B-roads. Several firmware revisions (specifically for the EPS module) have softened this behavior, allowing the car to stay within the lines without fighting the driver.

There are two main ways: