To use the tool for flashing or unlocking Vivo devices, follow these technical steps:

Before downloading or extracting AFTool, temporarily disable your real-time protection. Antivirus software is the #1 reason these files disappear immediately after extraction. 2. Download the Full AFTool Package

upd download aftoolbbk5131 pkgunsptlistbin file

AFTool (BBK) version 5.1.31 is a specialized proprietary flashing utility used primarily by service centers to update, repair, or unbrick BBK Electronics devices, including brands like . The specific file pkgunsptlist.bin

If you could provide more context or clarify the system/environment you're working with, I could offer more specific advice.