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Original topic:

How to disable charging connected USB device (S9)

(Topic created on: 06/11/18 10:21)
PSte
Apprentice
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Galaxy S9 Series

Hi. when I connect USB flash drive to my Samsung S9, phone starts to charge this flash drive:

"Andriod system - USB charging connected device"

I am not able to turn this off in any way. This happens when I connect USB flash drive through USB adapter included in package or even USB C drive (dual USB A/C micro SD card reader). During the period it is connected the flash drive gets quite hot. I just don't understand why phone wants to charge a flash drive. Is there a way to turn it off? Thanks.

 

Model: SM-G960F

Android: 8.0.0

Samsung Experience: 9.0

26 REPLIES 26
DavidNaar
First Poster
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Galaxy S9 Series

Ishmo65 have you try to format the phone to see if this work? Because i wait to the new update Mai if this fix the problem and then i try to format my phone...my last hope will be to go to service and pay money for nothing....like the song! Lol

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ishmo65
Apprentice
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Galaxy S9 Series
read my last post properly ... i now have a new s20 ultra with the same issue as my old s9, so why would i format the s20 ? don't answer unkess you have something positive to contribute. btw: "format" is the same as the old "switch off/switch on" for PCs ... it's not a solution if the problem comes back again !
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NK5
First Poster
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Galaxy S9 Series

I have the same Issue.

 

I can read a samsung M2 1TB disk in an icybox enclosure with the samsung galaxy tab S6 just fine.

 

But not with the galaxy S20+.

 

Tried many ways and nothing... Samsung, what's the problem? Voltage? Would be nice to put some notofication in that case???

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Mrpeters
New Member
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Galaxy S9 Series

I have the same issue with a USB-C to HDMI converter.  Also on Note9.  I can tell you I did NOT have this before the Android 10 update.  I also have a Note8 that hasnt been updated to android 10 and still able to use the USB-C to HDMI converter.  I want to say this is an android systems problem.  

Dr_Alis
First Poster
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Galaxy S9 Series

Same problem with samsung galaxy s9+ . I have change the flex cable charging board, and the issue still has remained, so there is no hardware malfunction, it's definitely a software bug.

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Dr_Alis
First Poster
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Galaxy S9 Series

Yes, it is. Have you fixed it now?

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KitKatBitBat
New Member
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Galaxy S9 Series

I've got the same issue with Galaxy Note 10+, running Android 11 and One UI 3.0. It decides to charge my USB-C flash drive and when going into options to change it, it forces me to restart the phone because it says the flash drive was improperly removed!?! Also, the unmount/eject flash drive option disappears, so manually removing flash drive also produces the error notification saying to restart the phone. It's really annoying.

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