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When I put my S21 on charge it powers off.

(Topic created on: 28-02-2023 08:54 PM)
7505 Views
Equivz
Journeyman
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When I put my S21 on my 45w fast charger it just powers off. Could someone please explain as to why.

Many thanks.
13 REPLIES 13
Egg1
Voyager
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It's probably turning itself off as a fire precaution.
Some might have expected the Galaxy S21 and Galaxy S21+ to get 45W fast charging. Their predecessors maxed out at 25W. If Samsung were to ensure continuous improvement of their features, perhaps it would offer higher charging speeds. It doesn’t. Both of the new flagships can charge your phone at a maximum of 25W.
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GoanGeek
Samsung Members Star ★
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Fast charging seems to heat up the phones.

I recently noticed that my phone heats up if I use my 25 Watts charger.
So maybe as mentioned its shutting off as a precautionary measure to protect itself.
Try a 25 Watts or 15 Watts charger.

Ideally s21 ultra supports upto 25 Watts charging and mine is an official charger.
It doesn't shut down but gets pretty hot.
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Equivz
Journeyman
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@GoanGeek
I just plugged my phone into my 15w charger and it just shut down.
TessM
Mastermind
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Hi @Equivz ,

 

are you using Samsung genuine chargers? Is the phone turning off without any warning after plugging this in? 

 

I would also recommend running a Diagnostics to see if there is anything wrong with the battery or the port from the Samsung Members app> Support> Phone diagnostics> Battery status first and then Cable charging.

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adama705
First Poster
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How do I run a diagnostic
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MidnightC4
Journeyman
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mine does the same since the last two updates it just gotten worse to the point i couldnt charge make sure you back up 

 

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Gaurav_singh
Student
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Screenshot_20230611_181800_Smart Tutor.jpgThis was diagnosed in smart tutor and after cleaning charging port even charging IC was changed but still the same continued problem  

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Gaurav_singh
Student
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Is your problem solved ?

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EmielE
Journeyman
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I have the same problem. Is there anyone with a solution?

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