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Help Dead brick LG C660

During KDZ update, emergency mode, an error occurred and the phone shut down.
If I remember right, the error was Wparam: 100, Lparam: 500

Now it is black
No LG logo
No recovery
No emergency
No nothing

There is no button combination that can make it work
Volume up/down... home/return... battery/usb...

The PC doesnt detect anything on the USB

The battery was 100%


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