Remember the COM port number. You will select this in the flash tool.
Before initiating any flashing procedure, ensure you have gathered the following components to prevent permanent damage (bricking) to your device:
Download a stable version of the Coolsand RDA Flash Tool (often distributed as RDA_Flash_Tool or specialized service boxes like Miracle Box/Infinity CM2 modules that support RDA). coolsand rda flash tool
Follow the on-screen instructions to complete the installation. Restart your computer if necessary. How to Use the Coolsand RDA Flash Tool (Step-by-Step)
Coolsand RDA Flash Tool is a specialized utility software designed for servicing mobile devices powered by Coolsand and RDA microelectronics chipsets. These processors typically run on low-cost feature phones, budget smartphones, and specific Internet of Things (IoT) hardware. Remember the COM port number
Before downloading the tool, verify that your device uses a compatible chipset. The Coolsand RDA Flash Tool is specifically designed for:
Ensure the battery is charged, though some processes work without it. How to Install Coolsand RDA USB Drivers Download the Coolsand USB Driver package. Extract the files and locate dpinst.exe or install.bat . Right-click the file and select Run as Administrator . These processors typically run on low-cost feature phones,
This guide provides a comprehensive overview of the tool, its features, and step-by-step instructions for its use. Understanding Coolsand and RDA Chipsets
The tool is frequently confused with devices, but "Coolsand" refers to the software division that created the flashing protocol for RDA chips. It is the equivalent of SP Flash Tool for MediaTek or QFIL for Qualcomm.
It can be used to remove security codes or reset forgotten passwords on keypad phones.