Official tools available through the Qualcomm Software Center offer more advanced development features:
: Features for configuring secure boot settings and file-based encryption.
To provide more specific details about this "v3.0" tool, please clarify the (e.g., Qualcomm Flash Image Loader (QPST), Qualcomm Special Tool, or a specific community-made utility).
: Tools for reading, writing, and erasing specific device partitions, including EFS , Userdata , and Boot .
If you are looking for the features of a v3.0 release for common Snapdragon utility tools (often referred to as "Qualcomm Flash Tools" or "Qualcomm Unlock Tools"), they generally include the following capabilities:
Install Product Configuration Assistant Tool (PCAT) - Qualcomm Docs