Choose the .inf file, click Open, and confirm the installation. Troubleshooting Common Connection Issues Device Not Detected in Flash Mode
If you are having trouble connecting your Android device to a PC—especially devices with Spreadtrum (SPD/Unisoc) chipsets—you likely need the updated SPD USB Driver. The version is one of the most stable releases, supporting a wide range of CPUs including SC6530, SC6531, SC77xx, SC98xx, and the newer Unisoc series.
or similar developer forums. Look for the "Latest" or "All-in-One" package. Uninstall Old Versions
For low-level unbricking operations when a phone is entirely powered off. Prerequisites Before Installation spd driver 20 0114 update link
Ultimate Guide to the SPD Driver 20.0114 Update: Features, Installation, and Download Links
Navigate to > Advanced Options > Startup Settings . Click the Restart button at the bottom of the screen.
If your phone still displays a "Device Not Recognized" or a yellow triangle error in your system tray, use this manual approach: Choose the
You should clearly see an active port labeled or SPD VCOM Port followed by an assigned COM port number (e.g., COM3 or COM5 ).
Look closely at the Device Manager list. A new entry will briefly appear under Ports (COM & LPT) or Other Devices , typically labeled as , Spreadtrum phone , or Unknown Device .
Because low-level USB drivers manipulate deep system kernel pathways, aggressive third-party antivirus suites may falsely flag or block the installation script. Temporarily pause your antivirus shield until setup finishes. How to Install SPD Driver 20.0114 (Step-by-Step) or similar developer forums
If your device loops continuously every few seconds in Device Manager:
: For alternative versions or detailed installation guides for Windows 10/11, you can visit Xiaomi Tools Troubleshooting