Coolsand Driver Cm2
Before performing any write operation (flashing, IMEI change, format), use CM2 to read and save a full backup of the device’s flash memory. This backup allows you to restore the original state if something goes wrong.
The is a USB driver package designed to facilitate communication between a Windows PC and a mobile device powered by a Coolsand chipset (specifically the CM2 family of processors). The "CM2" typically refers to a second-generation communications processor used in 2G and early 3G feature phones.
Clean the phone’s charging port with isopropyl alcohol, switch to a USB 2.0 port on the back of the PC motherboard, and use a shorter cable. 2. Connection Loops or Immediate Disconnects Cause: The battery is flat or driver conflicts exist. coolsand driver cm2
Locate the installation executable file (often named sp113813.exe or a variant of the Linux Gadget USB-to-serial driver). Right-click the .exe file and choose .
Use a USB cable to connect your Coolsand-powered phone to the computer. If required, put the phone into the necessary mode (e.g., “Download Mode” or “Media Device (MTP)”). Some low-level flashing requires the phone to be turned off. In such cases, the PC will detect the hardware in a pre-boot state. Connection Loops or Immediate Disconnects Cause: The battery
To ensure zero connection drops during critical flashing operations, verify your PC matches these standards: Requirement Specification Windows 7, 8, 8.1, 10, or 11 (32-bit or 64-bit) Hardware Activated Infinity-Box Dongle plugged into a USB port Cable Quality High-speed, data-capable Micro-USB or USB-C cable Prerequisite
: Most packages, such as the CM2RDA Drivers v1.01 , support Windows XP through Windows 11 (32-bit and 64-bit). Step-by-Step Installation Guide News - 2017-08-23 - CM2RDA Drivers v1.01 package released repair IMEI numbers
If your CM2 software fails to recognize the phone, use this systematic checklist to resolve the underlying issue.
Download RDA Coolsand USB drivers and Infinity CM2 packages only from official websites or reputable communities such as GSM‑Forum, Infinity‑Box’s official server ( server1.infinity-box.com ), or well‑known third‑party repositories like cfirmware.com . Files obtained from unknown sources may contain malware or be incompatible, leading to system instability.
The combination of and the Infinity Chinese Miracle 2 (CM2) tool forms an indispensable pair for anyone who services, repairs, or recovers data from entry‑level mobile phones based on RDA or Coolsand chipsets. While the Coolsand platform itself may be considered low‑end, the professional tools and drivers that support it are anything but simplistic. Understanding the correct installation procedure, recognising the different types of drivers involved, and following safety best practices will allow technicians to flash firmware, repair IMEI numbers, unlock devices, and recover dead phones with confidence.
It is advisable to perform flashing and repair operations on a dedicated computer that runs Windows 7 or a stripped‑down version of Windows 10. This reduces conflicts with other drivers and ensures that driver signature enforcement can be disabled without affecting daily work.







