Bricked Vivo Y55L dosent connect to QFIL - Android Q&A, Help & Troubleshooting

My vivo Y55L was stuck in a boot loop and did not go ahead of the vivo screen.
I tried flashing the stock ROM through QFIL but it gave me a EDL Firehouse error and the flash was unsuccessful. I disconnected the phone to reconnect but to my misery the phone does not connect to QFIL anymore. When i press the power up and down button and connect the USB the computer gave me an error USB device not recognised and may have malfunctioned. if I power up the phone now it doesn't start and goes back into the bootloop for 2-3 times before switching off. I have tried reconnecting the USB and reinstalling ADB drivers and Qualcomm drivers. But still the same error, Device receptor not recognized and USB device not recognized may have malfunctioned. Any solutions will be appreciated

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Help Device Bricked.

Hello Members,
The device was stuck in boot loop so i tried to flash via EDL mode. First it came to edl mode but while flashing i got some XML error. Now i tried to put the phone again in EDL mode but its not working.
I had removed the battery and and i have connected to 2 jumper pins 1 and 4 and connect the usb but the phone dont seems to come to edl mode. just flashes the MI screen and power off repeatedly.
Now i connect the phone directly with battery on and its coming as charging but surprisingly the phone got detected, the device manager shows the phone as Linux file stor gaget usb device. I tried to flash with mi flash tool and its running indefinitely saying flashing..
Help...

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