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Original topic:

Note 9 Back Cover Cracks

(Topic created on: 26-01-2021 10:29 PM)
Ronny Carol
Explorer
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Galaxy Note9 Series

I've had my Note 9 about a year and a half.  I have had to replace the back cover 3 times, now. 

It will show grazing, and then will crack.  This is always where the battery is located. 

I have a case and screen protector, always.  It is not impact related.

It is because if the heat generated. 

Has anyone else had this issue? 

2 Solutions


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Solution
Ronny Carol
Explorer
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Galaxy Note9 Series

Tom, I think I figrured out what was causing the grazing/cracking of my back cover.

I think the battery was seated incorrectly.

I bought a new battery that actually turned out to be a bad battery.  But, after putting the old one back in, I am not seeing any grazing.

So, it wasn't a faulty battery, but that fact that the original battery just wasn't in there correctly, and that bottom part was too close to the cover.

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Solution
Ronny Carol
Explorer
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Galaxy Note9 Series

Aydoeji, my back cover kept grazing, then, cracking in the lower half.  It turned out the factory installed battery was not seated correctly.

I just had to undo the whole back, take the battery out.  Then, put it all back together.

To date, I have not had ANY grazing, nor cracking.

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25 REPLIES 25
APARMAR
Troubleshooter
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Galaxy Note9 Series
Did you buy the phone brand new from samsung?
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APARMAR
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Galaxy Note9 Series
I had a Note 9 from August 2018 till the end of 2020 and never had this issue even though my phone would get hot when doing intensive tasks like gaming.
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Ronny Carol
Explorer
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Galaxy Note9 Series

New, but not from Samsung.  I am thinking my habit of using my phone while it's charging might be the issue. 

I guess I will just resign to changing out the back cover.  I'm getting quite good at it. 

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Ronny Carol
Explorer
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Galaxy Note9 Series

Did you have your phone charging at the same time?  I do, and I think that may be the issue. 

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Mitzzz999
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Galaxy Note9 Series
yeah I wouldn't advise that on any phone... especially with smart phones these days... its overwhelming the battery. I've set mine so that it reboots once a week for a refresh.
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CrazyTom2k2
Samsung Maker ★
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Galaxy Note9 Series
Hey there Ronny Carol!

If the phone's grazing where the battery is, could I suggest that you maybe replace the battery on your handset?

Sounds like your battery may be expanding which is pushing/breaking the glass off of your handset.

Batterys can be obtained pretty easily, or you can book your phone in for a Samsung doorstep repair for around £59.

Hope this helps,
Tom 🙂
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APARMAR
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Galaxy Note9 Series
nope I have never used any of my phones while they are charging
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APARMAR
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Galaxy Note9 Series
The person you bought it from may have changed the battery to a non samsung battery which may be unsuitable for the phone which could be the reason it is getting hot and cracking.
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Ronny Carol
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Galaxy Note9 Series

Hi, Tom.  Thanks for your input. 

The grazing happens right under the Galaxy Note 9 logo.  The cracks radiate from the grazing, downward into a Y to the left corner. 

There no bulging, though. 

What do you think that might be?