If a phone does not turn on, show a charging animation, or vibrate, but registers on a PC as Qualcomm HS-USB QDLoader 9008 after plugging it in (or shorting test points), it is hard bricked. Loading the Firehose file allows a user to re-flash the partition table ( gpt_main0.bin ), the bootloaders, and the system images to restore functionality. Decoupling and Bypassing FRP (Factory Reset Protection)