Use the USB-C cable that came with your phone.
Flashing firmware is inherently risky. To ensure you don't end up with a "brick," follow these steps: 1. Prerequisites odin 3.14.4 patched xda
Use CSC_ * to wipe the phone (recommended for clean installs) or HOME_CSC_ * to attempt to keep your data. Use the USB-C cable that came with your phone