For reference, the v1.9 update was also distributed via and Mediafire in some official forum posts, with the filename typically being NCKDongle_SPRD_v1.9_Installer.rar . However, always verify that any link is posted by the official NCK team or a trusted moderator before downloading.
Ensure the USB Dongle is properly plugged into the USB port and the card reader drivers are installed. nck dongle spreadtrum module 19 download best