Download Karbonn K9 Smart Yuva Stock ROM(Flash File). Firmware Comes in a Zip package, which contains flash file, flash tool, USB Driver and Flashing manual.
Download karbonn K9 Smart flash file
File name: : Karbonn_K9_Smart_Yuva_V18_20171019_SPD.zip
Size : 1.1GB
How to Flash : Follow these guide here
Download Here (by firmwarefile.com)
Step 1: Download and extract the Karbonn K9 Smart Yuva Stock ROM Package on your computer.
Step 2: After extracting the package, you will be able to get the firmware file, Flash tool, Drivers and complete flashing guide.
Step 3: Install the provided USB Driver on your Computer, and if in case USB driver is already installed, skip this step.
Step 4: Check our tutorial Section for Complete flashing instructions.