Msm8x39download _top_tool.exe Link

This is the trickiest part. Depending on the device, you might enter EDL mode by:

Holding Volume Up and Volume Down while plugging the phone into the PC. Using a specialized "EDL Cable."

This is usually a driver issue or a bad USB cable/port. Try using a USB 2.0 port instead of USB 3.0. msm8x39downloadtool.exe

Note: Using this tool is risky and can permanently damage your device if used incorrectly. 1. Prerequisites

Ensure you have the necessary "Runtime" libraries installed on Windows, or try running it in Compatibility Mode for Windows 7. This is the trickiest part

Since it works at a low hardware level (EDL), it can often flash official firmware even if the bootloader is locked.

The MSM8x39DownloadTool.exe is an official (though usually leaked from service centers) flashing utility designed for devices running on the and Snapdragon 615 (MSM8939) platforms. Try using a USB 2

Your PC must recognize the phone as "Qualcomm HS-USB QDLoader 9008."