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note 9 usb connected disconnected isuue

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First Poster
How much was cost
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First Poster

Same issue Galaxy A50, did you get help? 

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Explorer

Drain battery to 0% and recharge with original cable and brick it worked for me 3 day's no issues

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New Member

same problen for my a70 

please solve battery drain fast

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Explorer

Drain battery  0% , recharge with the phone off using the factory charger for about 2-3 hrs.

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First Poster

I have been experiencing the same problem too but with my A70 can anyone help?

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First Poster

Its on my A70 for me it just spam Android system:disconnected or connected. And i cant turn my phone off or do anything.Can anyone help?

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Explorer

Drain battery 0% charge phone while off with original charger for 1-2 hours  this method worked for me no more issues. 

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Explorer

Drain battery 0% charge phone while off with original charger for 1-2 hours  this method worked for me.

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Apprentice

I had the same problem with my Galaxy Tab S6 which I only had for 5 days. It only started happening TODAY.  So Samsung wanted me to ship it back to them for repair. When this message happens you can't turn off the screen with the power button and when you turn off the tablet and plug in the charger the usual charging ring does not show up with the percentage.  

 

So this started when the battery was around 31%. So on a whim while the Tablet was powered on I plugged in the charger and it was charging my tablet. So I was thinking if it's charging then how can the port be bad? Then after the tablet hit 38% charge the USB Disconnected message went away. I have been using the tablet all day without any problems until 10 min ago when the message came back.  However I believe I have anctual theory on what is happening and a possible solution! 

 

(THEORY) The fact that this is happening on many different devices and not just one particular one makes me think this is a software glitch related to the (Protect Battery Option because the problem only started when I enabled the Protect Battery Option and used it for a day then disabled it later. What this option does is only lets your device be charged to 85% to make the battery last longer. After a reboot it will show your device charge all the way to 100% but behind the screnes it's only charging to 85%. Less wear on your battery hence it lasts longer or so goes the theory.  

 

(SOLUTION) When that USB Disconnected message came back Again at Exactly 31% it made me think about enabling battery protect the day before. Guess what??? When I re-enabled the Protect Battery Option again and rebooted the problem went away!!! You can enable this feature by doing the following.

 

Go to Settings --> Device Care --> Battery  --. Click on 3 dots in top right of screen. --> In Settings scroll down and Enable Protect Battery! --> Restart Phone or Tablet for it to take effect.   

 

If this works for you please report your findings.... Note this option is not available on all devices. Example being my Note 8 does not have it but my Tab S6 does. But then again I never had the problem on my Note 8.  If the Battery Protect feature is actually causing this error like in my case it seems Samsung could fix the problem with an update?

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