These are guidelines for you to use the Qualcomm Flash Image Loader (QFIL) Tool to flash or install stock firmware (ROM) on any kind of Qualcomm Device.
Warning: Flashing or setting up firmware with the QFIl Tool may remove your data in the device. For that reason, we suggest you have a copy of your data prior to following the guide below.
How To install.MBN Firmware using the QFIL Tool
Get and set up Qualcomm HARDWARE Driver on the pc. In this case, if Qualcomm Drivers seem to be installed on the pc, then BY PASS this task.
Get and extract the Qualcomm Flash Image Loader (QFIL) on the pc. Once extracting, will be possible to choose the following files:
When QFIL Tool will be started, you will be able to see the next screen on the pc:
Turn Off/Power Off your Mobile phone or Tablet.
When your Device is Turned off, Click and Hold the Volume level UP Key and Link the Device to the Pc using the USB Cable.
Click on Browse Button and find the Stock Firmware (.mbn) file.
Click on the Download switch to start the Flashing Procedure:
The flashing procedure will take up to 10-15 minutes to finish.
When the Flashing procedure is finished, your device will be restarted immediately.
Great job! Now detach the device from the pc and set up everything on the device to make use of it.