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Upon reboot, press or F7 to select "Disable driver signature enforcement." Step 3: Connect the Device Power off your Coolsand/RDA device completely.
This guide covers installation on Windows XP, Windows 7 32-bit, Windows 8/8.1 32-bit, and Windows 10 32-bit.
If the driver refuses to install, the hardware ID of your specific phone might missing from the driver's .inf configuration file. Advanced users can open the driver's .inf file in Notepad and manually add the device's PID/VID hardware string found in the Device Manager properties tab. Best Practices for Flashing Coolsand Devices
: Restart your PC into Advanced Startup Options , select option 7 ( Disable Driver Signature Enforcement ), and attempt the installation again. 3. "Device Descriptors Failed" Error Cause : USB 3.0 port incompatibilities with older chipsets.
If the download is a .zip or .rar file, right-click and select Extract Here .
The short answer:
: The presence of both x86 and x64 folders confirms that the driver package supports 32-bit systems. Never attempt to install the 64-bit driver on a 32-bit system—it will fail.
Which are you currently using?
