For GT devices, the software updates the files stored on the device's Micro SD card. These files are then used by the tuner to update its own internal software once reinserted. System Requirements & Compatibility
: Before updating, ensure the current tune is uninstalled from your vehicle and the status reads "not installed" under device settings. bully dog light duty update agent
If you tell me the you're tuning or any error messages you've encountered, I can provide targeted troubleshooting for your setup. How to fix Corrupt File Error on Bully Dog GT tuner For GT devices, the software updates the files
Navigate to the Main Menu and select or "Update GT Firmware" at the bottom to finalize the internal memory update . bully dog support For GT devices