When performing technical repairs, this driver acts as a virtual USB-to-UART serial converter. This enables software boxes like the Infinity CM2 Dongle, Miracle Box, and the RDA Multi Download Tools to interact directly with the device's flash memory. Key Capabilities and Features
There is no single "official" source for these drivers. They are generally categorized into three types found on third-party hosting sites: coolsand usb driver 64 bit