![]() Qualcomm drivers are kind of tricky to install, thats why there is a short manual for you 1. Download and unzip Qualcomm drivers to the root of your hard drive C:. Connect your phone to the computer with original Samsung USB cable 9. Check the phone if it asks for a mode, if so select 'PC-Studio mode' or 'KIES' mode. It is literally impossible for us to try this method on all the Android devices out there. We rely on the comments we receive from users. According to comments received from many users, this guide will not help LG G series mobiles. So please do not attempt to use it for unbricking you LG G series device. The process is really big and technical, so please refer to each and every word of this tutorial without skipping anything. Else there are heavy chances you will mess with your device and make it permanently dead. Check out: and Here’s the ultimate guide if you have got your Qualcomm phone hard bricked. The guide will work for most of the Qualcomm chip-sets, but better double check before going through the process. Disclaimer: This guide is for technical persons only, if you are not aware about what bricking and unbricking a device, please do not follow further from here. We will held no responsibility if your device is broken or damaged. Proceed at your own risk and responsibility Analyzing the Problem In Qualcomm NEW firmware (not the HLOS part, but NON-Hlos, SBL1, TZ, HYP, RPM, and Aboot), especially ARMv8-A, Qualcomm diminished the famous “Qualcomm HS-USB Diagnostics 9006”, and introduce two types of “Qualcomm HS-USB QDLoader 9008” (source: ). So, before we proceed with the guide, we should analyse the phone first, on which 9008 mode your phone is in. To do this, follow these steps below: Make your PC ready for the big day: • Please turn off internet connections. • Remove your mobile from PC or Laptops. • Install the latest “.net Framework” for your Windows. • Uninstall all the driver related to mobile, as well as any Qualcomm driver if you have install any. Uninstall them through Device Manager FIRST, then program manager. Here I used a software called “REVOUninstaller” to remove completely the driver softwares and Device Remover to completely remove installed unnecessary device. Then run “CMD” or “Windows Terminal” as administrator and type: bcdedit -set loadoptions DISABLE_INTEGRITY_CHECKS bcdedit -set TESTSIGNING ON Restart your PC or Laptops, and you should see this watermark at the bottom right of your desktop, just like the pic below” Download QualcommDrv.zip from, extract to an empty folder, then open the folder according to your Windows type (x64 or x86) and double click dpinst64.exe (if you have 64-bit Windows) to install the Qualcomm driver • Now it is safe to connect your Qualcomm Mobile to PC or laptop (I connected it in USB2 port). BUT BEFORE YOU CONNECT YOUR Mobile, REMEMBER TO UNPLUG YOUR BATTERY FOR FIVE SECS, REPLUG IT, AND CONNECT YOUR Mobile WITHOUT PRESSING ANY OF ITS BUTTONS. Your phone should now being detected as “Qualcomm HS-USB QDLoader 9008” and the driver version 2.0.8.7 (please check it through Windows’ “Device Manager”) Analyzing the Process: If you were just messing with system image, boot image, system’s framework or other things that does not related to Qualcomm’s stuff (modem-NON-HLOS.bin, aboot-emmc_appsboot.mbn, sbl1, hyp, tz, rpm partition, for example installing sound patch, etc, you possibly will enter the new 9008 mode, which is a combination of the old “Qualcomm HS-USB Diagnostics 9006” and “Qualcomm HS-USB QDLoader 9008”. When you first brick the phone into this mode, you would experience such symptoms below: • The LED charging indicator near the phone speaker will light red. • Your phone will vibrate endlessly, and this vibration will end only if you disconnect your phone from your PC or laptop and unplug the battery.
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January 2019
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