Click and browse for the corresponding CSC folder or file. Connect Device : Turn off the phone and remove the battery.
Click on the button in the tool interface. Select the configuration profile file (usually a .mdl or .inf file found inside the Citrus Lite directory) that matches the C3520 architecture. Step 3: Load the Firmware Files Click and browse for the corresponding CSC folder or file
Open the Flash Loader application from the extracted folder. Load Firmware: Inside the application, load the file from the firmware folder and assign the necessary files from the firmware package. Connect Phone: Turn off the phone. Hold down specific keys (often Volume Down ) and connect the phone to the USB cable. Click and browse for the corresponding CSC folder or file