Re-install the Qualcomm drivers and check your Device Manager to see if the phone appears under "Ports (COM & LPT)."
Acquiring the OPPO A71 CPH1801 QFIL flash file requires careful consideration to ensure you download it from a reliable source. , it is recommended to obtain firmware files from official sources or reputable forums and websites dedicated to Android development and support. Some of the steps and precautions include: oppo a71 cph1801 qfil flash file exclusive
If the device is completely dead (hard bricked): Re-install the Qualcomm drivers and check your Device