How to Backup QCN File Using QPST/QFIL Tool
Hi guys if you want to learn how to backup QCN file using QPST / QFIL tool then you have reached the right website, You may have noticed many times that when you Flashing, FRP unlocking and anything your phone, sometimes you lose important details for your device. These important details include the IMEI number, the WIFI address becomes zero, or Bluetooth becomes zero. In this case, you have no option to copy or restore such details from the new device, so it is necessary to backup QCN before doing anything. |
| How to Backup QCN File Using QPST/QFIL Tool |
However, there is an easy way to fix this. You can use QCN files on your Qualcomm device to fix such problems. Today in this article we will help you to backup your device QCN file. So keep reading this article till the last.
What is QCN File?
The QCN's full name is Qualcomm Calibration Network. The QCN file is the result of scanning a file system (EFS) encryption partition that contains encrypted information such as IMEI, SN. Baseband, serial number, configuration, radio settings, Bluetooth settings and settings, etc.QCN files have a mobile manufacturer utility program that is used to edit many features of the latest Smartphone. These files are hidden deep inside the firmware of the phone and are very difficult to access or update.
Why Necessary to Backup QCN File?
Backup of QCN files is most important because these files contain special information such as IMEI number, WiFi address and Bluetooth address key. So if you need to restore your device with any invalid or null IMEI problems, then you need to back up these files.What is Requirement to Backup QCN File?
To back up your phone's QCN file you will need the following five things. Only then you will be able to read your phone's QCN file.- Computer/Laptop From which you will backup the QCN file.
- Mobile The phone you want to back up the QCN file.
- Data Cable Through which you will connect your phone to your PC.
- USB Driver Which will connect your phone to diagnostics mode.
- QPST Tool Through which you will read the QCN file of your phone.
How to Backup QCN File?
I hope you have read all of the above, in which I have told you what is a QCN File, why you need a QCN File, when a QCN file is needed, what is a required to backup QCN file, and Why is it necessary to backup QCN File before your phone's FRP Unlocking or anything? So let's know how we backup our phone's QCN file.Step1 First of all we have to open the QFIL tool in our computer. Like the image below.
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| How to Backup QCN File Using QPST/QFIL Tool |
Step2 Once the tool is open, the mobile has to be connected in diagnostics mode. If you do not know how to connect the phone to the diagnostic mode, then click here. So that your phone gets connected in the QFIL tool, if the port still does not show, then you have to manually select the port by clicking Select Port.... After this you have to click on Tools option in the left side. Like the image below.
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| How to Backup QCN File Using QPST/QFIL Tool |
Step3 After that you have to click on QCN Backup Restore. Like the image below.
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| How to Backup QCN File Using QPST/QFIL Tool |
Step4 After this, a box will open in front of you, in which you have to write the QCN file save directory, the default will be selected in the 'C' Partiton. Then you have to click on backup QCN. Like the image below.
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| How to Backup QCN File Using QPST/QFIL Tool |
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