The Exynos 3830 USB driver is reliable for standard tasks but can be finicky for technical repairs. While the official Samsung Update handles most users, technicians working on the Exynos 3830 platform should keep a manual version of the driver ready to resolve detection issues in low-level boot modes.
sudo heimdall flash --RECOVERY twrp.img --no-reboot exynos 3830 usb driver work
For Download Mode on Linux, you will need (the open-source alternative to Odin). Heimdall directly uses libusb. If your Exynos 3830 device enters download mode but Heimdall says "Failed to detect device", run: The Exynos 3830 USB driver is reliable for