This is a crucial feature allowing users to transition a device from Fastboot mode directly into EDL mode without needing to open the back panel to use "test points". This is particularly useful for newer, sealed phones.

This will allow me to guide you to the correct tools and methods.

The tool can be used to remove Factory Reset Protection (FRP) and demo software (usually found on demo units) in EDL mode. Procedure: Using the Tool (General Overview)

A specialized Qualcomm boot mode that allows for low-level interaction with the device's storage. It is frequently used for unbricking devices, bypassing lock screens, or flashing full stock firmware when the device cannot enter Fastboot or Recovery.

Vivo Fastboot, Bootloader Unlock, and Reboot to EDL Tool: A Technical Overview

Boot the Vivo phone into Fastboot mode (usually by pressing Power + Volume Down) and connect it via USB.

The tool automates several critical, often complex, tasks for Vivo Qualcomm devices: