The ".rar" extension indicates the software is packed to reduce file size. The "user-upload-1" tag typically suggests this was a mirror uploaded by a community member rather than the official developer server.

: Updating or reinstalling the device's operating system. File Specifics & Installation

: For the tool to communicate with phones, you must also install specific drivers (MTK, Qualcomm, or LibUSB) depending on the device's chipset. Free Unlock Tool | All Android frp and password UnlockTool