for your PC to recognize the phone in download mode. These are often hosted on platforms like or via video guide links from YouTube creators Alternative Tools:
: Version 2.82 and above supports various RDA/Coolsand options for flashing and IMEI repair, though results can vary by device.
Even from the Internet Archive, malware can hide in comments or renamed files. After you download the zip: coolsand rda flash tool link
Download the Coolsand RDA Flash Tool ZIP archive and the RDA USB Drivers to your PC. Extract both folders to your desktop using WinRAR or 7-Zip. Open the driver folder, right-click the setup file, and select to install the drivers. Step 2: Launch the Flash Utility
Navigate to the extracted folder and double-click Multi_IEdownload_eng.exe to launch the flashing tool. You will see a simple, multi-pane window appear. for your PC to recognize the phone in download mode
This is almost always a driver or connection issue. Ensure you have installed the correct RDA Coolsand USB driver. Also, try a different USB cable and port. Finally, ensure the device is in the correct mode by dialing *#3696# after connecting the USB cable.
RDA Microelectronics was acquired by Unisoc (formerly Spreadtrum) around 2014. All legacy Coolsand tools were deprecated and never migrated to the new support portals. After you download the zip: Download the Coolsand
Once you have a safe version of the tool and the correct firmware for your specific device model, follow these steps.
Usually, you must hold a "Boot Key" (often the center button or a volume key) while connecting the phone to the PC via USB to enter Download Mode.