BAC-L21 Test Point FRP Bypass Remove by EDL Mode Sigma Key

Bac-L21

What is EDL Mode:

EDL or Emergency Download Mode follows a specific set known as the Sahara or Firehose protocol for forcing write the firmware in the Smartphone. This mode in which free of Fastboot or Bootloader Mode. EDL mode uses if your device cannot access those modes, in this most hard-bricked devices cannot access them, it is not a problem. The EDL Mode is free of both these modes as this exists in the Primary Bootloader interface.

Qualcomm devises Boot in  EDL Mode:

  • To Enter EDL Mode most devices need to Press and hold Volume Up and Volume Down Keys while Inserting the USB Cable into The Device
  • Some other Devices like Huawei Xiaomi devices Needs to disassemble the device and make some Test Point while inserting USB Cable
  • If your device is in Working Condition than you can do it by Enabling USB Debugging mode with Computer the command is below, ADB reboot bootloader

Once your device is connected in EDL mode your Computer Device  Manager will recognize it as Qualcomm HS-USB QDLoader 9008.

Test Point For EDL Mode

sigma key

BAC-L21 Test Point FRP Bypass Remove by EDL Mode