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How to downgrade your Ninebot / Xiaomi Nine 9 / Segway Mini / Mini Pro from 1.2.8 to 1.1.7 Firmware


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Hi, Dennis! Your advice is great.  But, I failed it...

You are ready to downgrade your Ninebot Mini to 1.1.7!

I saw the message. I turned my Ninebot on and started the Ninebot app.

I could see a new Firmware 1.3.0. Start the update process.

But, It doesn't work. I can see a message.

Update Failure : IOException error. Network access failure. 

 

Please, Help me... I need your advice...  

 

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2 minutes ago, Eihyun Kim said:

Hi, Dennis! Your advice is great.  But, I failed it...

You are ready to downgrade your Ninebot Mini to 1.1.7!

I saw the message. I turned my Ninebot on and started the Ninebot app.

I could see a new Firmware 1.3.0. Start the update process.

But, It doesn't work. I can see a message.

Update Failure : IOException error. Network access failure. 

 

Please, Help me... I need your advice...  

 

Please check here

  read the ios and android tips

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13 minutes ago, Eihyun Kim said:

Hi, Dennis! Your advice is great.  But, I failed it...

You are ready to downgrade your Ninebot Mini to 1.1.7!

I saw the message. I turned my Ninebot on and started the Ninebot app.

I could see a new Firmware 1.3.0. Start the update process.

But, It doesn't work. I can see a message.

Update Failure : IOException error. Network access failure. 

 

Please, Help me... I need your advice...  

 

Hello did you have this?

if yes i try again (fill DN1 DN2)

Screenshot_2016-06-10-17-10-26.jpg

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Recheck the renaming part of the firmware zip and its contents.

If you fail, give Alexanders Server a chance.

And yes, try to set both dns servers. If you have a bad wifi connection, go near to your router.

Edited by Denniss2
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turn off and reboot phone (trun off mini too)

1 minute ago, Eihyun Kim said:

Umm..  No..

I filled DN1 / DN2. but failed.

 

#down image

완료되었습니다.0%       mean : Complicated 0%

업데이트 실패 :  mean : Update Failure

 IOException error. Network access failure. 

 

How can i....?

Screenshot_2016-06-12-21-38-53.png

 

ANDROID phone you need or try ALEXANDER METHOD

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Yes, looks like an DNS problem when it trys to download firmware. Restart phone, set it to airplane and back and try again.

OR YOU HAVENT DOWNLOADED THE 1.1.7 FIRMWARE FROM NINEBOT AND COPY AND RENAMED IT CORRECTLY. FOR ME IT LOOKS LIKE.

Edited by Denniss2
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Check 

C:\9BDgrader\www\appversion\appdownload\NinebotMini\v1.3.0

is there the Mini_Driver_V1.3.0.zip file in it?

 

Copy the Ninebot Firmware (Mini_Driver_V1.1.7.zip) to
C:\9BDgrader\www\appversion\appdownload\NinebotMini\v1.3.0 (copy the zip, don’t unpack!) and
rename it to Mini_Driver_V1.3.0.zip
Use Winrar and open the Mini_Driver_V1.3.0.zip with it.
Rename the Mini_Driver_V1.1.7.bin file to Mini_Driver_V1.3.0.bin and close winrar.

Edited by Denniss2
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Ok, last try I'm out of ideas.

set dns1 and dns2 to 107.170.15.247

Restart Phone and try again.

 

when this doesn't work maybe the chinese app looks at another location for the file. Then I need a network trace from the update process readable with wireshark.

Edited by Denniss2
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