[Nokia 6 Guides, News, & Discussion] sltushar:
First thing first, everything you do will be doing on your own risk, these steps are working perfectly but still if anything happened, i will be not responsible for it:

Follow the steps carefully:

First down load the required files

1. Firmware and flashing tool to downgrade from here

https://xdaforums.com/nokia-6/how-to/nokia-6-official-firmware-mena-region-t3664441

2. July to January [2018 naugat] OTA from here

Download the February oreo OTA also( in case if you failed to flash your device)

https://xdaforums.com/nokia-6/how-to/updated-mirror-link-ota-monthly-updates-t3733784

3. This whole process will also required a sd card or memory card

4. The instructions to flash the device is available on the firmware thread that i provided you.

Now

Install the tool that you downloaded from the link

Put all the OTA zips ok the sd card and reboot your device to recovery

To put it into recovery, power off your device properly

Plug your charger, and wait to see the battery charging animation

Once you see the battery icon, press and hold the power key and volume plus button together

Once you see the android logo, release the power button but keep holding volume plus button teel you see a screen with "no command" written

When you see the screen no command screen

Just hit these three button together simultaneously

Power button+volume plus+home key(fingerprint sensor)

For 2-3 times

You will see the recovery menu

Now select the option, update from sd card

Select the December OTA from sd card

Now it will give you error but it will change some files and nougat recovery menu

Reboot your device, it will take you to direct recovery menu

Now

The instructions will be for OST tool and for mena firmware

Install OST tool

Now

1. Open ur directory, c:/program files x86/OST and replace the online update tool from there and delete the config file,

AND REMEMBER THIS IS VERY IMPORTANT,

2. Open online update tool from ur directory only, from c:/program files x86/OST only, donot start it from any shortcut created on desktop or from start menu, just start it from its original directory,

if it still gives error about microsoft error warning, try fresh replacing ur online update tool again from the zip

And start the program from there only, once it successfully started

3. Click next, then choose the firmware mena, that is

PLE-3320-0-00WW-A02.nb0 file and put ur phone into bootloader, click next button, now the first time u may stuck on flashing splash file and ur phone could restarted

4. Follow all the same steps again

5. Start the tool again

The tool will surely give u error for Microsoft.net

Dont panic

Close it and replace the file again

6. Remember no matter if replace the file before error, it will give error for one time surely

7. Replace it again with online updating tool and the start it from the directory

8. Now Click next, then choose the firmware mena, that is

PLE-3320-0-00WW-A02.nb0 ( your one could be CNxxxx) file and put ur phone into bootloader

9. Now connect it and click next this time your phone will get flashed successfully...if it give error again, then try one more time u will be successfully installed the mena firmware

After this your device could ask you to reset your device. Just do it.

Now one thing to remember

The