Question
To use the Qualcomm Generic or Qualcomm Decrypting methods, your device must be able to enter 1 of 3 modes:
DFU, FTM, or EDL. This article explains how to detect which mode your phone enters.
Title
Qualcomm Generic and Qualcomm Decrypting – How to Detect Supported Device Modes DFU/FTM/EDL/ADB
Answer
  1. Shut down UFED 4PC if open.
  2. Open Device Manager in Windows

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FTM

Some devices support a mode called FTM (Field/Factory Test Mode).

Among these are ZTE, Alcatel, and maybe others.

A device in FTM mode will sometimes display the letters “FTM” on the screen, but not always.

A device in FTM mode should use either Generic Qualcomm EDL or Generic Decrypting Qualcomm
EDL
 methods (not the Recommended).

Certain button combinations may put a device in FTM mode.

A device in FTM mode will appear as follows in Device Manager:

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  • User-added image
  • DFU
  • Some devices support a mode called DFU, not to be confused with iPhone DFU.
  • ZTE devices support this mode, and perhaps others do too.
  • A device in DFU mode will usually display a black screen.
  • A device in DFU mode should use either Generic Qualcomm EDL (Recommended) or Generic Decrypting Qualcomm EDL (Recommended).
  • Certain button combinations may put a device in DFU mode.
  • A device in DFU mode will appear as follows in Device Manager:
  • User-added image
  • EDL
  • Some devices support a mode called EDL: Emergency Download Mode.
  • A device in EDL mode will usually display a black screen.
  • A device in EDL mode should use either Generic Qualcomm EDL (Recommended) or Generic Decrypting Qualcomm EDL (Recommended).
  • Certain button combinations may put a device in EDL mode.
  • Some devices will enter EDL with the use of Cellebrite’s Cable 523.
  • A device in EDL mode will appear as follows in Device Manager:
  • User-added image
  • ADB
  • To use ADB to perform a Qualcomm extraction, your device must have USB Debugging enabled.
  • This usually means it needs to be unlocked.
  • The Generic Qualcomm EDL (ADB) and Generic Decrypting Qualcomm EDL (ADB) methods are applicable.
  • Power on the device and connect to USB port via Cable 100 or 170.
  • If the drivers have installed correctly, you should see the device under Portable Devices:
  • User-added image
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Qualcomm-Generic-and-Qualcomm-Decrypting-How-to-Detect-Supported-Device-Modes-DFU-FTM-EDL-ADB