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[GUIDE] Downgrade to Marshmallow from Nougat Soak Test

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Hey guys , many people were having problems downgrading their device so i thought i should make this thread.
I have downgraded my phone successfully and this should also work for other variants.

So let's Start

Prerequisites :
  • Phone with Unlocked bootloader
  • Drivers Installed
  • Phone Charged to 50%
  • Phone having Nougat Soak Test
  • mfastboot and adb


How To :
  • First Setup adb and Fastboot , by extracting the mfastboot-v2 file in the C:\ directory. So that the files are in a folder in the C directory. Ill name this folder as adb.
  • Download the correct firmware(Stock Marshmallow) for your device , I have links to all down below.
  • Extract the firmware files in the same adb folder.
  • Download the run.bat file . Link below
  • copy the run.bat file inside the adb folder
  • Open your phone in bootloader mode by first turning off your phone. Then pressing and holding power and volume down at the same time for around 3 seconds.
  • Connect your phone to your computer via a usb cable
  • Double click and run the run.bat file.
  • After the window closes. Start the phone by selecting the start option in the bootloader mode.
  • Tap the power button to start.
  • That's it Now you have successfully downgraded to Marshmallow.


You can also Follow the Video i made on my channel :
https://youtu.be/4OQQn105Bp8

Download :

The Following 11 Users Say Thank You to TechBurner For This Useful Post: [ View ] Gift TechBurner Ad-Free
9th December 2016, 03:05 PM |#2  
kosmasgr's Avatar
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Hello and thanks. Im trying to download for Xt1622 but got message "https://goo.gl/SLFcsx – this goo.gl shortlink has been disabled. It was found to be violating our Terms of Service. Click here and here for more information about our terms and policies respectively."
9th December 2016, 07:28 PM |#4  
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Are you able to lock the bootloader after downgrading?
10th December 2016, 10:33 AM |#5  
TechBurner's Avatar
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Delhi
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Quote:
Originally Posted by kosmasgr

Hello and thanks. Im trying to download for Xt1622 but got message "https://goo.gl/SLFcsx – this goo.gl shortlink has been disabled. It was found to be violating our Terms of Service. Click here and here for more information about our terms and policies respectively."

Will stop using link shortners from now on. *Updated the Links*
10th December 2016, 10:34 AM |#6  
TechBurner's Avatar
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Quote:
Originally Posted by EvilHowl

It's working

PD: I'm the person from Reddit

Nice
10th December 2016, 10:35 AM |#7  
TechBurner's Avatar
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Quote:
Originally Posted by claytoncamilleri100

Are you able to lock the bootloader after downgrading?

[EDIT] Noo, but i really have no idea why people lock bootloaders after unlocking them.
Sorry for the wrong information, i locked my bootloader on the nougat soak test and misread your question!
10th December 2016, 10:38 AM |#8  
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Quote:
Originally Posted by TechBurner

Yes, but i really have no idea why people lock bootloaders after unlocking them.

Did you relock it ? I don't think it's possible if you are downgrdin from 7.0 as the booloader is upgraded
11th December 2016, 04:44 AM |#9  
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i want to revert from cm14.1 to marshmallow. so the procedure is same or can anyone suggest me what to do?? i have the stock image also
11th December 2016, 11:59 AM |#10  
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Quote:
Originally Posted by pranjal24

i want to revert from cm14.1 to marshmallow. so the procedure is same or can anyone suggest me what to do?? i have the stock image also

Yes this should work .
11th December 2016, 12:32 PM |#11  
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I have a locked bootloader and im on soak build NPJ25.75-2.
Do I need to unlock the bootloader to flash this new soak build. Or can I downgrade to MM without unlocking bootloader.
I dont understand that if I'm flashing official files then why do I need to unlock the bootloader.

What I want to do is to update to the lastest build of N from soak build without unlocking bootloader.
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