Hello Android fans! This article tries to fix slow charging issue on Galaxy S10. If you’re one of the few unfortunate users who happen to experience fast charging problem on your Galaxy S10, we hope this post will help fix it.

Before we proceed, we want to remind you that if you are looking for solutions to your own #Android issue, you can contact us by using the link provided at the bottom of this page. When describing your issue, please be as detailed as possible so we can easily pinpoint a relevant solution. If you can, kindly include the exact error messages you are getting to give us an idea where to start. If you have already tried some troubleshooting steps before emailing us, make sure to mention them so we can skip them in our answers.

How to fix Galaxy S10 not fast charging issue (charges slowly or fast charging not working)

Generally, Samsung Galaxy devices like the Galaxy S10s don’t usually encounter fast charging problems. The few devices that do usually gets sent for repair although some cases are fixable on a user’s level. Learn how to deal with slow charging issue by following the steps below.

Confirm fast charging is enabled. Fast cable and wireless charging are enabled by default on your Galaxy S10. If you’ve been playing around with your device’s settings, make sure to double check fast cable and wireless charging options under Settings.

Forced reboot. If you find your Galaxy S10 no longer fast charging, either by cable or by wireless charging, the first thing that you want to do is to reboot the system. Some cases of slow charging issue were caused by minor bugs that go away after refreshing the device. Be sure to reboot your Galaxy S10 by simulating the effects of a “battery pull” procedure. This is how it’s done:

  1. Press and hold the Power + Volume Down buttons for approximately 10 seconds or until the device power cycles. Note: Allow several seconds for the Maintenance Boot Mode screen to appear.
  2. From the Maintenance Boot Mode screen, select Normal Boot. Note: Utilize the volume buttons to cycle through the available options and the lower left button (below the volume buttons) to select. Also, allow up to 90 seconds for the reset to complete.

Use official Samsung accessories. When it comes to any charging issue on Samsung Galaxy devices, one of the important basic things to do is to ensure that you use official Samsung accessories. If you are not using the charging cable and adapter that came with your device, make sure that you use them at this time. If you can’t readily find the original cable and adapter, try to borrow them from someone. Or, you can visit your local Samsung store and charge your S10 using their original cable and charger.

Sometimes, third party cables and adapter may not be compatible with a Samsung Galaxy device. Get rid of them and switch to the original ones that came with your box.

Use another cable or adapter. In case there’s a problem with the accessories you’re using right now, the next troubleshooting step that you want to do is to use another set of accessories. Like the phone itself, a USB cable can go bad for a number of reasons. The official Samsung USB cable has many tiny wires inside that can break easily if you don’t handle them well. The more of these tiny wires are broken, the smaller the amount of energy is being transferred to your device while charging, which can be the reason for slow charging. If there are obvious signs of damage in the cable, you should consider getting a new one as a troubleshooting step and potentially as a solution.

Turn off while charging. In some cases, charging may appear slow if a phone loses power more than the charge that is coming in. This can be due to a software glitch, battery issue, or too many apps running in the background at the same time. To see if any of these is the reason for your problem, try to turn the device off and see how it charges. If fast charging works while your S10 is off, you must troubleshoot further to know where the problem lies.

Wipe cache partition. At times, problems may occur if the system cache is corrupted. Android uses a set of temporary files in order to load apps quickly. Updates or app installations may corrupt this cache, which can then lead to problems. To keep the system cache in good shape, try to clear the cache partition. Here’s how it’s done:

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  3. When the Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  4. Press the Volume down key to highlight “wipe cache partition.”
  5. Press the Power key to select.
  6. Press the Volume down key to highlight “yes” and press the Power key to select.
  7. When the wipe cache partition is complete, “Reboot system now” is highlighted.
  8. Press the Power key to restart the device.

Calibrate OS and battery. Sometimes, Android may lose track of the actual battery levels. To recalibrate the operating system so that it gets accurate battery level readings, do the following:

  1. Drain the battery completely. This means using your device until it powers down by its own and the battery level reads 0%.
  2. Charge the phone until it reaches 100%. Be sure to use original charging equipment for your device and let it charge up completely. Do not unplug your device for at least two more hours and also don’t use it while charging.
  3. After the elapsed time, unplug your device.
  4. Restart the device.
  5. Use your phone until it completely runs out of power again.
  6. Repeat steps 1-5.

Check for bad app. Another possible reason for your problem may be a bad app. We’re talking about possible third party app that you installed immediately before the problem started, or a poorly coded app that became problematic after an update. To check if one of the apps is to blame, boot the device to safe mode. In this mode, all third party apps will be suspended and won’t be running. If your S10 charges normally and fast on safe mode only, that means that you have a bad app problem.

To restart your device to safe mode:

  1. Turn the device off.
  2. Press and hold the Power key past the model name screen.
  3. When “SAMSUNG” appears on the screen, release the Power key.
  4. Immediately after releasing the Power key, press and hold the Volume down key.
  5. Continue to hold the Volume down key until the device finishes restarting.
  6. Safe mode will display in the bottom left corner of the screen.
  7. Release the Volume down key when you see Safe Mode.

To identify which of your apps is the source of trouble, you must use elimination method. Here’s what you can do:

  1. Boot to safe mode.
  2. Check for the problem.
  3. Once you’ve confirmed that a third party app is to blame, you can start uninstalling apps individually. We suggest that you begin with the most recent ones you added.
  4. After you uninstall an app, restart the phone to normal mode and check for the problem.
  5. If your S10 is still problematic, repeat steps 1-4.

Install update. Keeping Android and apps updated may not mean much for a lot of users but it’s just as important as any other solutions we mention so far. Some Android problems are only fixable by changing some codes and since the fix happens without a user knowing it, not many are enthusiastic about doing it. Some even prevent their device to not download updates on purpose. If you are one of them, we recommend that you stop doing it and install whatever updates are pending right now.

If you get apps from Google Play Store, be sure to open the app and install app updates from there. Apps from outside the Play Store are updated separately by downloading an APK for them. Be sure to update these apps if you have them on your device.

Factory reset. The final device troubleshooting that you can do is wipe the phone. If the reason for the problem is software-related, factory reset will most likely help. Be sure to create a backup of your personal data before you do it.

  1. Back up data on the internal memory. If you have signed into a Google account on the device, you have activated Anti-theft and will need your Google credentials to finish the Master reset.
  2. Turn off the device.
  3. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  4. When the Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  5. Press the Volume down key several times to highlight “wipe data / factory reset.
  6. Press Power button to select.
  7. Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  8. Press Power button to select and start the master reset.
  9. When the master reset is complete, “Reboot system now” is highlighted.
  10. Press the Power key to restart the device.

Repair. Should none of the solutions above work, the likely cause of the problem must be outside the device or beyond your ability to fix. Make sure to contact Samsung to have your phone repaired.

 

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