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Answered

Mate 20 pro Usb otg problem

  • 24 January 2019
  • 15 replies
  • 9349 views
A
  • Anders Opening Fortune Cookie
  • Opening Fortune Cookie
  • 2 replies
I bought a Mate 20 pro and a usb-c SD card reader. Connecting the two dont work. There is NO power to the reader even if the phone is in the mode to charge the connected service.
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Best answer by Max 11 February 2019, 19:37

Hi @Anders,

Can you please PM the serial number of your device so I can look into this further?

You will find this data in Settings > About phone > Status or on the box of the device.

Looking forward to your reply!

Best wishes,
Max
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15 replies

Max
Rank
Userlevel 7
Badge +6
Hi @Anders,

Happy to hear that you are using one of our devices!

In regards to your inquiry, would it be possible to PM me with the Serial Number and Build Number of your device?
Also, if you could provide me with the model of your USB-C Card Reader and Serial Number.

Thank you very much, I will be waiting for your private message! 😀
Max
With love Max
A
Hi
Ill upload some pictures showing the reader and my phone data. If you need additional info I am happy to provide that.
In one picture the reader is connected to an Samsung s7 and the blue led is on. With the Mate 20 there is NO power and NO blue led.

Br Anders

4 Attachments
J
I am trying to connect an endoscopic camera (USB) to my mate 20 pro running android 9.0 I have downloaded the camera manufacturer's software AN98. When connected using USB to USB-C connector the software does not recognise the camera and states "no USB device connected". If I do the same on my Galaxy S9+ (running android 8.0) it works fine. I have tried just about everything. Can you help?
A
I tried the reader on a Oneplus 6T also and it worked well so this is clearly a bug. I hope I can return the phone since this feature is vital to me.
Max
Rank
Userlevel 7
Badge +6
Hi @Anders,

Can you please PM the serial number of your device so I can look into this further?

You will find this data in Settings > About phone > Status or on the box of the device.

Looking forward to your reply!

Best wishes,
Max
With love Max
J
I already sent it. You didn't get it?
Jase
Rank
Userlevel 6
Badge +7
Do you have developer options enabled?

Regards Jase
It's nice to be liked ;-)
J
Hi yes.
Jase
Rank
Userlevel 6
Badge +7
Hi yes.
Cool, in settings search developer options, click it then scroll down and find usb configuration. It's probably set on charge only so just set to which option you require. Hope that works for you.

Regards Jase
It's nice to be liked ;-)
W
Hello people, i am using a ugreen adapter for read other micro sd Card, and on begin had the same issue but I found a solution.

You need to install the Xiaomi File manager, and when you choose the Usb adapter gonna appear a pop up saying you allow this Usb adapter to read, and finally gonna work.

3 Attachments
R
I bought a Mate 20 pro and a usb-c SD card reader. Connecting the two dont work. There is NO power to the reader even if the phone is in the mode to charge the connected service.

I just talked to huawei's technical service about the same problem and they solved it. The reason is that the mate 20 pro reads only the fat32 formatted memories. I've also a mate 10 pro and doesn't have this problem
Z
Guys,
Thanks for all your efforts and advices.
I switched using few OTG. Luckily, the third one worked. It was USB 3.0 Hub and worked well.
One thing which annoyed me is Xiao Mi Mi Mix works with each and every one of it.
Regards,
Zaw
L
Hi im herman, i have the same problem with my mate 20. My sandisk drive is not detected at all. Its fat32 already and works fine in my mi note 3. Reformated the drive but still the same issue. Please huawei do something about it
Amy
Rank
Userlevel 7
Badge +11
Hi Herman,

Please follow up on @Max's advice:

Hi @Anders,

Can you please PM the serial number of your device so I can look into this further?

You will find this data in Settings > About phone > Status or on the box of the device.

Looking forward to your reply!

Best wishes,
Max
I'm on Holiday. I'm back on August 26th.
L
Done, thanks Amy

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