Try different versions of the drivers—older devices may require version 2.0.0.131 , while newer ones may need more recent releases. Also test a different USB cable and a USB 2.0 port on your PC, as USB 3.0 can cause compatibility issues.
Look for "Other devices" or "Ports (COM & LPT)" to find the device with a yellow sign (often named ). Right-click the device and select Update driver . Choose Browse my computer for drivers .
sprdvcom.inf (Virtual COM) and musbser.inf (USB Serial).
No driver will work unless your device is actually in DIAG mode. The key combination varies by device, but the most universal method is:
After installation, verify that the driver is working correctly:
Enables the computer to grab the device's brief bootloader window (preloader mode) before the phone boots into standard charging cycles.
The 64-bit requirement is key. Since around 2017, Microsoft has strictly enforced on 64-bit versions of Windows. Any driver without a valid digital signature from Microsoft cannot be installed by default. The SPRD U2S Diag Driver is almost never properly signed.
Alternative methods include:
Note: This driver works on Windows 10 64-bit, as well as Windows 8/11. Keywords for search:
After installation and connecting the device:
Try different versions of the drivers—older devices may require version 2.0.0.131 , while newer ones may need more recent releases. Also test a different USB cable and a USB 2.0 port on your PC, as USB 3.0 can cause compatibility issues.
Look for "Other devices" or "Ports (COM & LPT)" to find the device with a yellow sign (often named ). Right-click the device and select Update driver . Choose Browse my computer for drivers .
sprdvcom.inf (Virtual COM) and musbser.inf (USB Serial). Sprd U2s Diag Driver For Windows 10 64 Bit
No driver will work unless your device is actually in DIAG mode. The key combination varies by device, but the most universal method is:
After installation, verify that the driver is working correctly: Try different versions of the drivers—older devices may
Enables the computer to grab the device's brief bootloader window (preloader mode) before the phone boots into standard charging cycles.
The 64-bit requirement is key. Since around 2017, Microsoft has strictly enforced on 64-bit versions of Windows. Any driver without a valid digital signature from Microsoft cannot be installed by default. The SPRD U2S Diag Driver is almost never properly signed. Right-click the device and select Update driver
Alternative methods include:
Note: This driver works on Windows 10 64-bit, as well as Windows 8/11. Keywords for search:
After installation and connecting the device: