Upon reboot, press or F7 to select "Disable driver signature enforcement." Step 2: Install the SPD Driver Package
Successfully connecting your Samsung B310E to a PC requires bypassing standard smartphone protocols and addressing its core Spreadtrum architecture. By deploying the correct SPD drivers, utilizing the hardware boot keys, and monitoring your Windows COM ports, you can easily read codes, flash stock ROMs, and service the SM-B310E without hardware bottlenecks. What are you using?
Below is the driver information and installation method that works for the B310E: samsung b310e usb driver gsmforum
To connect the B310E for technical tasks like unlocking or flashing, you need the following: Spreadtrum (SPD) USB Drivers
| Issue | Forum Solution | |-------|----------------| | “Device descriptor request failed” | Replace USB cable (prefer short, data-capable cable). Use USB 2.0 port. | | Driver installs but no COM port appears | Phone must be in download mode (hold 0 + Power). Normal mode does not expose CDC serial. | | Error 10 (Cannot start device) | Disable driver signature enforcement (Windows 10: Shift + Restart → Advanced → Disable driver signing). | | Phone not detected after driver install | Reinstall driver with phone connected; unplug battery 30 seconds; re-enter download mode. | Upon reboot, press or F7 to select "Disable
Select and click Next.
Search for the official (or the latest version hosted on GSMForum). Extract the .zip archive to an easily accessible folder on your Desktop. Inside, you will typically find two folders: x86 (for 32-bit Windows systems) x64 (for 64-bit Windows systems) Step 3: Manual Installation via Device Manager Below is the driver information and installation method
The key file you need after installation is (Samsung Mobile USB Modem Driver).
On GSMForum, senior technicians recommend two primary driver packages for the SM-B310E. You can use standard Samsung Android USB drivers for basic data tasks, but for flashing, you use the Spreadtrum SC6531 drivers.