: Install the official Samsung Mobile USB Driver package so the PC recognizes the phone in download mode.
A stable, high-quality (avoid charging-only cables). C3520 Flash Loader 7.5 4 CSC V0.2 Citrus 218l
This comprehensive guide will provide everything you need to know about this tool, from its core features to a step-by-step flashing tutorial, troubleshooting common errors, and understanding the safety risks involved. : Install the official Samsung Mobile USB Driver
What are you trying to fix on your Samsung C3520? What operating system is your computer running? Do you already have the exact firmware file downloaded? Share public link troubleshooting common errors
Open the Flash Loader folder and run the Flash_Loader_7.5.4.exe file as an Administrator. Click on the button on the interface.