Step 1: Pre-installation Requirement (Disable Driver Signature Enforcement)
Go to > Advanced options > Startup Settings and click Restart .
warning appears stating "Windows can't verify the publisher of this driver software," select "Install this driver software anyway" to proceed. 3. Manual Installation (If Setup Fails) If the automated installer doesn't work, use the Device Manager Connect your device to the computer via USB. Device Manager (right-click the Start button and select it). Locate the device under "Other devices" (it may appear as "Coolsand" or "RDA"). Right-click the device and select "Update driver" "Browse my computer for drivers"
Finding the correct Coolsand RDA USB driver for a 64-bit Windows 10 system can be challenging. Many legacy feature phones, budget smartphones, and specialized electronic modules rely on Coolsand or RDA Microelectronics chipsets. Without the proper driver, your computer cannot communicate with the device for flashing firmware, repairing IMEI numbers, or transferring data.
If the automatic installer does not work or you do not have an executable file, you can use Windows Device Manager to install the driver manually.
What is the of the device you are connecting?
Restart Windows with Driver Signature Enforcement disabled.
