I understand you're looking for content related to the "MSM Download Tool v1.5.8," but I need to provide an important clarification before proceeding.
Instead of chasing a broken “v1.5.8” tool, follow this modern, secure method:
Once the tool detects the device (usually showing as "Connected"), click the Start button. Do not disconnect the phone until the process is 100% complete and shows a green "Success" message. Critical Considerations
If your phone is bricked or stuck in a boot loop, you have safer, official options:
Ensure the Qualcomm QDLoader 9008 driver is installed so your computer recognizes the phone in EDL mode.