Cm2: Coolsand Driver
The Ultimate Guide to the Coolsand Driver CM2: Installation, Troubleshooting, and Legacy Use
Warning:
Never use a tool that asks for a "Boot Key" unless you know the specific key combination for your phone (usually Volume Down + Power).
- Use a USB 2.0 port (avoid USB 3.0 blue ports).
- Disable selective suspend: Go to Power Options > Change plan settings > Change advanced power settings > USB settings > USB selective suspend setting > Set to Disabled.
- Try a different, shorter USB cable.
Coolsand/RDA USB Driver
Installing the for the Infinity-Box Chinese Miracle 2 (CM2) dongle is essential for servicing feature phones (keypad phones) using the Coolsand or RDA chipsets. 1. Download Official Drivers coolsand driver cm2
Modern Windows versions may block "unsigned" drivers. Restart your PC into "Advanced Startup" and select "Disable Driver Signature Enforcement" to ensure a smooth install. Manual Installation: Device Manager on your PC. Connect your phone (typically by holding the as you plug it in). Look for "Unknown Device" or "Coolsand" under Other Devices Right-click and select Update Driver , then browse manually to your downloaded driver folder. Pro-Tip: The "Boot Key" Secret The Ultimate Guide to the Coolsand Driver CM2:
To confirm the driver works: