If the phone boots, enable ADB/USB debugging and type adb reboot edl .

A special USB cable to force EDL mode. 🚀 Step-by-Step Guide (General Qualcomm Devices)

Disclaimer: These tools are intended for device recovery or removing forgotten credentials on personal devices. Using these to bypass FRP on stolen devices is illegal. 🛠️ Required Tools & Drivers

Are you comfortable opening the to use testpoints if necessary?

Essential for Windows to detect the phone in EDL mode. EDL/9008 Tool:

Remove the back cover, disconnect the battery, and short the two designated EDL testpoints on the motherboard while plugging in the USB cable.