Msm!free! Downloadtool V186 Better -

: Compatible with Windows 7 or newer; it does not natively support macOS or Linux.

It seems you're asking about the (likely a firmware flashing tool for Qualcomm-based devices, such as OnePlus or OPPO phones) and specifically what makes it "better" — i.e., its key features or improvements over other versions. msmdownloadtool v186 better