What is deep flash / Qualcomm 9008 Mode ? If a faulty handset can enter FASTBoot mode through the volume down key and the power button combinations but the driver can be recognized normally. Then you need deep flash mode to enable you to connect to the phone and work with it. This cable witll put the phone in the needed Qualcomm 9008 Deep Flash Mode. How to use EDL Deep Flash Qualcomm 9008 2-in-1 Cable 1. Take out the battery of the faulty phone. 2. Connect phone to the computer with the EDL Cable. 3. Conduct the deep flash point as explained with your flasher box. 4. Manually guide windows to force / use the underlying driver of the chip to work. 5. Once driver is installed, your computer will assign the needed USB port to the phone, and you can begin working on the phone.