Update: Mg4 Software

Yes, but manage your expectations.

MG has acknowledged that the current OTA implementation is "immature." For the 2025 model year MG4 (often called "MG4 Refresh"), the hardware has changed to allow full ECU updates via 4G/5G.

For current owners: Do not hold your breath for a "magic" OTA that fixes everything. The most reliable path to a stable car is a single visit to the dealership to flash the November 2024 VCU patch (which bundles the LKA fix and the battery pre-conditioning logic).

If you are driving an early 2023 model or a car that has never been to the dealer, you might recognize these issues:

If you are trying to update the radio/screen only, follow this process carefully. Note: This will not fix driving dynamics.

If a dealer tries to update via USB and it fails, it is usually a corrupt file or a low-voltage 12V battery. The fix: The dealer must put a trickle charger on the 12V battery before starting the update.

The MG4 is a brilliant car trapped behind mediocre software. A successful MG4 software update transforms it from a glitchy prototype into the smooth, efficient hatchback you paid for. mg4 software update

Have you updated your MG4 recently? Check your version now – you might be surprised how much better the car drives.

MG4 software update , particularly the significant 2025/2026 rollout, is a transformative "fix" for many of the car's initial quirks

. While early models were plagued by aggressive safety systems and laggy screens, recent updates have significantly polished the driving experience. The "Must-Have" Fixes

Most users report that these updates resolve the most frustrating aspects of the original launch software: Adaptive Cruise Control (ACC) & Lane Keep Assist (LKA):

The update tames the "terrifying" and "harsh" steering interventions. The LKA is now less aggressive, and the ACC allows for finer speed adjustments—switching from 5km/h increments to more precise 1km/h steps Phantom Braking:

A major safety concern for early owners, the latest firmware significantly reduces instances of the car braking for no reason. Infotainment Responsiveness: Yes, but manage your expectations

The system feels faster, with noticeably reduced lag when switching between menus or using Apple CarPlay and Android Auto Climate Control:

Updates have fixed bugs where settings weren't remembered and improved overall temperature accuracy. The Downsides & Limitations mg australia's software update policy criticized - Facebook 02-Nov-2025 —

Keeping your car's software current is essential for optimizing performance, safety, and the overall driving experience. For MG4 owners, a software update can resolve common glitches, improve efficiency, and even unlock new functionalities. Current Software Versions and Key Updates

MG frequently releases updates to address user feedback and technical bugs. Several significant versions have been identified by owners and technical forums:

R59 (for Trophy/Luxury models): This major update, often part of the SCUK00001 service campaign, focuses on both the infotainment system and underlying car modules. Notable changes include:

Safety Features: A new shortcut in the drop-down menu for easier deactivation of Lane Keep Assist (LKA). If you are driving an early 2023 model

Cruise Control Improvements: Adaptive Cruise Control (ACC) now responds more predictably to button presses (adjusting speed by 5 mph with a long press) and remembers the last distance setting.

Driving Dynamics: Fixes for the "slowing down in curves" issue and smoother Traffic Jam Assist (TJA) operation.

R33 (for SE/Standard models): This version brought back the external temperature display on the infotainment screen and added the LKA deactivation shortcut.

R63: Primarily addresses HVAC temperature scaling issues, ensuring the target temperature more accurately matches the actual cabin temperature. How to Update Your MG4 Software

Unlike some modern EVs, the MG4 currently relies heavily on dealer-based updates rather than consistent Over-the-Air (OTA) functionality. MG4 Software updates | MG4 EV (2022 to 2025) Forum

Even with the best intentions, updates fail. Here is the troubleshooting list.