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Samsung_kosMZ20
Astronaut

My Samsung Galaxy s9 keeps shutting off

I've noticed that my phone keeps shutting off whenever the phone goes black or when I don't use it for a good minute or so. It's very frustrating since I use my phone for an alarm.

4 REPLIES 4
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Re: My Samsung Galaxy s9 keeps shutting off

Does the problem persist in safe mode?

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Samsung_kosMZ20
Astronaut

Re: My Samsung Galaxy s9 keeps shutting off

I tried that and the problem still occured. Also backed up all my data and reset the phone still nothing.

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Samsung Moderator
Samsung Moderator

Re: My Samsung Galaxy s9 keeps shutting off

@Samsung_kosMZ20 I see you have already tested your device in safe mode and performed a reset. You can try wiping the cache partition and see if that helps any. If that doesn't help any, I would recommend having a technician at your local UBreakIFix location take a better look at the symptoms you are experiencing.

 

The system cache partition stores temporary system data. It's supposed to allow the system to access apps more quickly and efficiently, but sometimes things get cluttered and outdated, so a periodic cache clearing can help make the system run more smoothly.


Follow these steps:

 

- Turn off the device.
- Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
- When the Android logo displays, release all three keys.
- An ‘Installing system update’ message will show for 30 – 60 seconds before the Android system recovery menu options appear.
- Press the Volume down key several times to highlight wipe cache partition.
- Press the Power key to select.
- Press the Volume down key to highlight yes, them and press the Power key to select.
- When the wipe cache partition is complete, Reboot system now is highlighted.
- Press the Power key to restart the device.

 

 

Your phone will take a little time booting up after the cache partition is wiped off of its contents as it will rebuild or recreate those caches. Don’t be alarmed if the phone gets stuck on the logo for a minute or two after this just don’t turn it off so that what was deleted will be replaced successfully. So, wait for your phone to become active. Don’t worry, this procedure is very easy and safe to do. You won’t damage your phone just by wiping the cache partition.
 

 

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Re: My Samsung Galaxy s9 keeps shutting off

I would take it to Samsung. It could be the battery...who knows

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