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Fixing A Galaxy S8 That Won’t Switch ON After Charging

Some Galaxy S8 smartphone owners have reported some phone to having some charging problems. Some smartphones are said not to switch on even after charging, even when your Galaxy series phone is fully charged.

Here are some fixes you can try out when your Galaxy S8 or Galaxy S8+ Plus refuses to switch on at all.


Press the power button

The first thing you should test before trying out the other suggestions below is to press the ‘’power’’ button several times just to be sure it’s not an issue with the powering of your Galaxy S-series. If this does not fix your problem, try out the other recommendations below.


Boot in safe mode

Booting your Galaxy smartphone in ‘’safe mode’’ will work with the pre-installed apps on your Galaxy smartphone. When you log into safe mode, you will be able to verify whether it’s another app on your phone that is causing the bug. Get into ‘’safe mode’’ by following these simple steps;

  • Press and hold the power button simultaneously
  • When the start-up screen shows up, release the ‘’power’’ button then press and hold the ‘’ volume down’’ key.
  • During the restart, the ‘’safe mode’’ text will appear in the bottom left corner of your screen


Boot to recovery mode and clear the Cache Partition

Below are some guidelines on how to get your Galaxy smartphone into the ‘’Recovery Mode.’’ Read the following guide for more detailed guidelines on how to wipe the cache of your Galaxy S8.

  • Get the phone into Recovery Mode.
  • After the vibration, release the ‘Power’ button while still holding the other 2 buttons until the Android System Recovery screen appears.
  • With ‘volume down’ button, move to ‘’wipe cache partition’’ then press the power button to select it.
  • Your smartphone will reboot automatically when the cache partition is cleared.


Fixing the Galaxy S8 slow charging problem

The first thing to check out when your Galaxy S8 or Galaxy S8+ Plus is having charging problems would be to check whether the USB cable is functioning properly. If the USB is the source of the problem, purchase a new Samsung charging cable from If you already tried to fix it with a different USB cable and is still an issue, try these few manual ways of fixing the issue.

  1. Close all background applications

One of the most common causes of the slow charging in Galaxy S8 and Galaxy S8+ Plus is the apps that keep running in the background. The following guidelines will help you close apps that are running in the background.

  • Hold the ‘’Home’’ icon then release it once the recently used apps screen appears.
  • On the task manager’s screen, press ‘’End all applications’’
  • Finally select the ‘’RAM’’ option on the top of your screen and press ‘clear memory’


This procedure will help you close all the apps running in the background when your Galaxy S8 is charging.


Uninstalling the third party applications

If none of the above fixes works for your Galaxy S8 or Galaxy S8+ Plus, the other reason would be because of a software bug. The best fix for this would be to uninstall all the third party apps currently running in your smartphone. To uninstall the aps, your Galaxy S8 needs to go into ‘’Safe Mode’’. Then uninstall the 3rd party apps that might be causing the slow charging problem.

To switch into safe mode, switch OFF your phone. Hold the Power key. Once ‘’Samsung Galaxy S8’’ appears on the screen, release the Power button then press the Volume key down. Continue holding this key until your phone reboots. When the message ‘Safe Mode’’ appears near the bottom of your screen, release the key.

You can then uninstall all the third party apps now by going to Menu> Settings >More> Application Manager> Downloaded then browse the apps you wish to uninstall, and press OK. You can then turn OFF safe mode by pressing and holding the Power key> Restart> OK and it’s done.

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