: Click "Start" or "Download" in the tool. The process should begin once the device is detected in the correct boot mode.
: For most Coolsand devices, you must hold the "0" (zero) key or another designated boot key while connecting the USB cable to the PC. coolsand rda flash tool link
: Update or reinstall the device's Operating System (OS) to fix software glitches. : Click "Start" or "Download" in the tool
: Restore or repair IMEI numbers on supported RDA devices. coolsand rda flash tool link
: Extract the entire flash file from a working device for backup or cloning purposes. Essential Download Links
: Format devices to remove forgotten screen locks or security codes.