It combines the essential technical updates of the 3.13.1 branch (LZ4 support, Oreo/Pie compatibility) with the freedom of community patching (SHA256 bypass, model mismatch ignore). It is safer than the unreliable 3.14.4 hoaxes, more capable than the restrictive official versions, and more stable than many of the bleeding-edge beta versions that followed.
Connect your phone to the PC. The ID:COM box in Odin should turn light blue and display a COM port number, confirming a successful connection.
You will typically load four files into the corresponding slots: