This specific string appears to be a generic or potentially autogenerated file name. If you are looking for a review on a particular Android development tool, rooting utility, or forensic software, it is possible the version number (v2.7.1) is part of a larger name. To help me give you a solid review, could you clarify:
For devices running Android 8.0+ with FRP locks:
Android SDK Platform-Tools
While this could refer to a specific library like or Android Support Library v27.1 , I'll answer assuming you're looking for the "helpful" impact of a major tool update. The Story of the "Ghost in the Machine" (v27.1)
This is where V2.7.1 truly shines for technical users.