Here is what you will find on these forums:
: If you are on Windows 10/11, you must disable driver signature enforcement or use "Test Mode" to allow the SPD drivers to install correctly. samsung b310e usb driver gsmforum
I've had some issues with other USB drivers in the past, but this one seems to be genuine and working as expected. Kudos to the uploader for sharing this useful resource with the community! Here is what you will find on these
| Problem | Symptom | Solution | |---------|---------|----------| | | No sound or new device appears when plugging in the phone. | Install the specialised SPD driver for Win10 64‑bit and disable driver signature enforcement. | | Driver not installing (yellow exclamation mark) | Device shows “SCI USB2Serial” with error 52 (unsigned driver). | Use the bcdedit command or boot with signature enforcement disabled. | | Phone not entering flash mode | Flashing tools (SPD Upgrade Tool, Miracle Box) cannot see the phone. | Insert the battery after connecting the USB cable while holding the “boot key” (often the centre button on the B310E). | | Device recognised but no COM port | Device Manager shows the device but no COM port number appears. | Uninstall the driver, restart, and re‑install using the “Run as Administrator” option. | | Driver conflict with other USB devices | After installing another Samsung driver, the B310E stops being recognised. | Use Driver Store Explorer to remove old, conflicting drivers, then re‑install the correct B310E driver. | | Use the bcdedit command or boot with
To bridge the connection in download or diagnostic mode, your computer requires . Without these specific drivers, your flashing software will show errors such as "Com Port Not Found," "Device Disconnected," or "Waiting for USB Device." Download options for Samsung B310E USB drivers