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[GUIDE] QPST Tool - Backup IMEI and NVRAM configuration - Kate/Kenzo

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By Naphtha, Senior Member on 5th September 2016, 12:20 PM
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Backup and Recovery IMEI with QPST Tool

In this tutorial you learn how to make an backup of your IMEI. Qualcomm developes for customers a lot of interesting tools, QPST is the most important suite for us, because with this tools we can: flash , unbrick , restore imei and do other stuff for our phones .

With modding (and bad flashing) every days, a lot of people lost their imei. For prevent bad situation is better if we start to learn how to do an backup of an IMEI and NVRAM configuration, is easy and secure. The most sicure way.

For do this you need :
- Windows 7 (or 8.1) x64 ;
- QPST 2.7 ;
- QDLoader HS-USB drivers pack ;
- ADB & Fastboot ;


STEPS:
- Install drivers and QPST, reboot the PC ;
- Enable developer settings on your device ;
- Enable Debug on your device ;
- Connect the phone on the PC ;
- If don't* popup an "Diasgnostics Port COM" on device manager (usually this port is enabled in the factory rom)

*Open an cmd window and enable it with this command "Diagnostics Port" with this commands:
adb shell
su
setprop sys.usb.config diag

(now Diagnostics port will popup)
- Open QPST configuration and add the port "Ports" ----> "Add new port" ----> Add the name of the port (for example COM5)

- Now click on "Start Clients" ------> "Software Download" -----> "Backup"

- Add an name at this file, select the folder and push "Start" (don't disconnect the phone!!)
- When process is complete, you have an "xqnc" file full working, with your imei and nvram configuration stored.




WITH THIS METHOD YOU CAN RESTORE HOW MUCH TIME YOU WANT THE IMEI.
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5th September 2016, 12:40 PM |#2  
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thx,good
5th September 2016, 04:20 PM |#3  
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Do I have to wait on?
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5th September 2016, 06:37 PM |#4  
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Quote:
Originally Posted by KyPbP

Do I have to wait on?

Yep
5th September 2016, 10:27 PM |#5  
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Quote:
Originally Posted by Naphtha

Yep

Long? I waited for about 5 minutes
6th September 2016, 07:31 AM |#6  
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Quote:
Originally Posted by KyPbP

Long? I waited for about 5 minutes

Yep sometimes is too slow, for restore my imei tomorrow the tool take 10 mins T_T
6th September 2016, 10:18 AM |#7  
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Quote:
Originally Posted by Naphtha

Yep sometimes is too slow, for restore my imei tomorrow the tool take 10 mins T_T

I waited for 15 and did not reach 100%. But the file appeared, 996kb.
6th September 2016, 10:19 AM |#8  
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Mmm check the drivers

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7th September 2016, 12:16 AM |#9  
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Originally Posted by Naphtha

Mmm check the drivers

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Diagnostics 9091D
7th September 2016, 04:57 AM |#10  
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Thank you for very useful tutorial..
No any error. And backup process Complete msg received.

my nvram backup file is only 990kb is this ok?

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7th September 2016, 07:17 AM |#11  
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Quote:
Originally Posted by KyPbP

Diagnostics 9091D

Try to reinstall it or change the usb port

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