Newer versions of the tool often strip away support for older chipsets to reduce file size. v186 retains a robust library of firehose programmers, making it superior for older OnePlus (3/3T/5) and Oppo models. 2. Reduced Authentication Errors
: For modern devices (OnePlus 10, 11, 12), the tool has largely been replaced or restricted by server-based authentication , making older versions like 1.86 incompatible with newer hardware. msmdownloadtool v186 better
devices to unbrick "hard-bricked" phones or roll back software via Qualcomm's Emergency Download Mode (EDL) Newer versions of the tool often strip away