How to flash MBN File using QPST tool QualcommQualcomm CPU or Chipset can be flashed using QPST tool. Stock ROM comes in MBN extension. Sponsored. Qual. Comm CPU Flashing is carried out in two phases 1 Driver Installation. Software Upgrade. Driver Installation 1 Download and install Qualcomm driver. While installing driver avoid using cable for successful installation. After installation, connect Phone to PC using USB cable. While connecting to PC, phone should be switched off and press volume up down as boot key. If it makes Qualcomm port, then driver has been successfully installed. Qpst Tool v. 2. 7. Latest Version Download. Software Upgrade 1 Download the QPST tool driver. Make sure your device has the Power to support flashing. Run QFIL tool. 4 Click on Browse under the Programmer path to select MBN File. MBN File Format 5 As soon as the MBN file is selected, Select Build will automatically select the Update or Stock ROM. Click on Load XML, select rawprogramunsparsewithoutqcn. Patch. 0. xml. Load XML comes with two option a rawprogramunsparsewithoutqcn. The BIGGEST problem that people have when rooting or using at utility is the driver install. Make sure you download and run the driver install files then connect. On choosing this file, data will not be lost. Will lose RF Calibration data, IMEI and Wi. FiBluetooth Address. Program Jahat Pada Komputer there. Switch off the device and connect it to PC by pressing Volume up down key. Click on Select Port and choose the port. Qualcomm Snapdragons are UNBRICKABLE part 1. Before i begin this fix is only for those, that has Qualcomm QDLoader HSUSB port 9008 only. If your. Click on Download to start flashing. Unplug USB cable, when Finish Download appears. Note Do not unplug cable when Reset Phone or waiting for Reset Phone is in the process.