Obtain the official installation files from the Infinity-Box Downloads & Support page .
Navigate to > Advanced options > Startup Settings > Restart . cm2 spd driver
Look for a newly appeared device with a yellow exclamation mark under . Right-click the device and select Update Driver . Obtain the official installation files from the Infinity-Box
Turn off the Unisoc/Spreadtrum phone, hold its (usually Volume Down or Up), and connect it to the PC. cm2 spd driver
Use high-quality USB 2.0 cables and avoid plugging the device into USB 3.0 or USB Type-C hub ports, which can cause connection drops.
Hold down the key while clicking Restart in the Windows Start Menu.
Choose and point to the extracted driver folder. Complete the wizard to map the driver successfully. Troubleshooting Common Connection Issues