Extract the files directly onto the root directory of the USB stick.
86140-F4070, 86140-33D00, or related variants.
Reduces startup lag and smooths out capacitive touchscreen navigation menu animations. 17tdt1eu-da31 Software Update
A widespread issue with this specific hardware ID involves sudden smartphone drops. The update fixes a critical glitch where plugging in a secondary device or switching between active audio sources forces Apple CarPlay or Android Auto to abruptly close and disconnect the phone call. 3. Bluetooth Performance Fixes
For owners of the system, the decision to update is now a strategic one. If your car is currently running a version older than v1075 and you want to add Android Auto or Apple CarPlay, the update is a game-changer. It is worth the effort to contact a dealer or seek the file directly. Extract the files directly onto the root directory
Preparing for installation
The release of DA31 sets the stage for the next major update, tentatively labeled 17TDT1EU-DA32, expected in Q4 of next year. Rumored features include AI-based predictive maintenance (alerting you to a failing battery before the car fails to start) and integration with Matter smart home standards, allowing you to control your garage door and house lights directly from the dashboard. A widespread issue with this specific hardware ID
A smoother, more reliable user experience with fewer system freezes or unexpected reboots.
Drivers frequently report random disconnections or pairing failures with modern smartphones. The software patch updates the wireless stack for reliable hands-free calling and media streaming.