: Open Device Manager on your PC; under "Ports (COM & LPT)," it should list "Qualcomm HS-USB QDLoader 9008". How to use QFIL to flash Qualcomm (QLM) firmware
To use the firehose file, you'll typically need: oppo a57 firehose file
file—used to facilitate communication between a computer and the device's Qualcomm processor when it is in Emergency Download (EDL) Mode : Open Device Manager on your PC; under
Removing screen locks or bypassing FRP (Factory Reset Protection) when you’re locked out. under "Ports (COM & LPT)
: It allows for the complete re-installation of the Stock ROM (firmware) directly to the internal storage chip, bypassing the corrupted operating system. Warning for Users