Coolsand USB Driver for Miracle Box is a vital software bridge that enables your computer to communicate with mobile devices powered by Coolsand and RDA chipsets. Without this driver, Miracle Box
📌 Note: Always backup your NV data before formatting or flashing Coolsand devices to avoid IMEI loss. To help you find the right version or boot key: What is the specific phone model? Which Windows version are you using? Are you getting a specific error code in Miracle Box? AI responses may include mistakes. Learn more
The primary role of the Coolsand driver is to bridge the communication gap between the Windows operating system and devices utilizing Coolsand (RDA) processors. These chipsets are commonly found in budget-friendly "feature phones" and some smartwatches. When properly installed, the driver allows Miracle Box to: Flash Firmware
Before diving into drivers, let’s clarify the target. Coolsand (formerly known as Chili or Coolsand Technologies) was a fabless semiconductor company that produced low-cost SoCs (Systems on Chip) primarily for feature phones and entry-level smartphones. Brands like Tecno, iTel, G-Tide, and many Chinese clones used Coolsand chips extensively during the 2010s.
Success Indicator: The device now appears under Ports (COM & LPT) as Coolsand USB Serial Port (COMx).
Run the Miracle RDA DRIVER Setup.exe file as an Administrator. Follow the on-screen prompts and click "Finish" when done.
CoolSand_Driver folder and select the .inf file (e.g., sprd_usb.inf).