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Original topic:

Galaxy Note 9 - screen randomly turns on/wakes up

(Topic created on: 20-07-2021 08:25 PM)
NobbyNoteNine
Journeyman
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Galaxy Note9 Series

Hi, 

As per the subject, my phone display is waking up by itself, since yesterday morning. 

I've followed a number of online step by step guides on Samsung website, going all the way to turning on Developer Options/Debugging, etc... this afternoon, it did seem to have worked for a good few hours, but then went back to turning on again.  Overnight it drained the battery by around 40 percent which is crazy.

I haven't performed factory reset yet, as I need to do a back up first. Am a bit hesitant to do this as i've read some people saying it didn't work.

Bottom line - has anyone got any ideas, please?

Cheers.

 

 

4 REPLIES 4
Flintstone
Navigator
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Galaxy Note9 Series
Install "nice catch" from the galaxy Webstore (part of the "good guardian " app and check a day later which apps did wake up your phone, and then see what you can do about it , good luck
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NobbyNoteNine
Journeyman
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Galaxy Note9 Series

Thanks for the reply.

It's the "Silent Notifications USB connector connected/disconnected".

The message notification appears when I drag screen down from the top of the screen.

It  only goes away when I plug charger in. I am leaning towards charging port fault.

Fluid ingress indicator is ok so not water damage (never near any liquid anyway!).

Flintstone
Navigator
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Galaxy Note9 Series
Not sure what the problem is, what is connected to your USB port in the evening? Could be a dodgy USB cable, or some firmware or hardware problem .

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NobbyNoteNine
Journeyman
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Galaxy Note9 Series

I've sort-of dealt with the issue now. I somehow got rid of the "usb disconnected/connected" pop-up message but then it started coming up with an error re; "Moisture detected in charging port". Not a chance of that being true.  My fix was to use a wireless charger. So far so good. I still have the moisture notification but it just sits at top of screen and doesn't "scream" at me.

"moisture detected..." - on a phone that has open charging/earphone ports??? So much for being IP68, "able to be submerged in fresh water up to 3ft for up to 1 hour (can't remember the exact figures). JOKE.

I've scoured these forums - it is a very common, worldwide issue. One post even said, a Samsung tech said that Samsung know about the issue but won't do anything. 

I'm finished with Samsung products after this. POOR.

Cheers

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