Galaxy S20 not charging fast? 7 ways to fix it

Is your Samsung Galaxy S20 / S20 + / S20 Ultra not charging quickly?

The Galaxy S20, S20 Plus and S20 Ultra are Samsung’s best phones for 2020. They come with tons of modern, innovative features like beautiful displays, great cameras, and great sound quality. One of the most useful everyday features on these phones is the ability to quickly charge your Galaxy S20. However, the Galaxy S20 series phones sometimes have a tendency to suddenly stop fast charging for no apparent reason. If this is the case with your phone, let us help you.

If Galaxy S20, S20 Plus, and S20 Ultra Fast Charging is not working, we highly recommend that you follow these steps to resolve this issue.

1. Enable fast loading

If your S20 series smartphone isn’t charging quickly, the first thing to do is make sure that fast charging is turned on. By default, the quick charge option is turned on in Galaxy S20, S20 Plus, and S20 Ultra, but it is possible that you accidentally turned it off. In order to quickly charge your S20 series phones, you need to make sure this feature is enabled.

To enable fast charging on Galaxy S20 series smartphones:

  1. Go to Settings> Battery and device care> Battery
  2. Tap on More battery settings
  3. Then tap the switch next to that Fast charging

If the problem persists, please continue with the following steps.

2. Restart the device

Restarting your device will fix many problems as it will update the entire system and turn it on again. Restarting your phone clears and replaces many temporary cache files, which often fixes many problems. If your S20 doesn’t charge quickly, you’ll need to try restarting it. After restarting the phone, try again and see if it charges quickly or not. If you haven’t resolved this problem by restarting the Galaxy S20, please continue with the steps below.

3. Use the original charger and cable

Faulty and incompatible charging accessories can prevent your Galaxy S20 from charging quickly. If your power adapter or cable is not compatible with the performance ratings of the Galaxy S20, your device may have problems charging. Also, if you’re using a third-party charger, make sure it has enough power to charge your S20 fast enough.

Therefore, before proceeding with any steps, be sure to check the specifications of the charger and charging cable. If you think the charger or cable may be defective, charge your Galaxy S20 using an authentic Samsung power adapter and cable to see if it charges quickly. In case this doesn’t help you to quickly charge your S20 series phone, we recommend that you proceed with the other solutions listed below.

4. Check the charging connector

Sometimes dust and dirt that has built up in the charging port prevent the charging pins from being perfectly connected. This can result in your S20 phone not charging quickly or not at all. It is therefore important to keep the charging port clean. You can clean it with a cotton swab or a toothbrush or an anti-static brush. Be careful to avoid damage. After cleaning the charging port, try again to charge your device. Now check if it is a quick charge or not. In case your Galaxy S20 doesn’t charge quickly after all of this, please continue with the steps below.

5. Delete the cache partition on the Galaxy S20

If you can’t fix your Galaxy S20 fast charging problem, then you should try wiping your device’s cache partition. This will ensure that the stale cache partition and corrupted files will be deleted from your device and fresh new files will be created. It is possible that the corrupted or outdated cache partition contained corrupted configuration files, which is why your Galaxy S20 will not charge quickly.

How to clear cache partition on Galaxy S20:

  1. Switch off the Galaxy S20
  2. Press and hold the volume up Key and the Electricity / Bixby pressing simultaneously
  3. After this Android recovery screen appears, release the buttons
  4. Use the Volume down Button until you see the “Delete cache partition
  5. Press to select Electricity / Bixby key
  6. Now confirm with Select “Yes sir” with the volume buttons.

After the cache partition is completed, select “Reboot system now.“This method is likely to solve the problem with fast charging your Galaxy S20 series smartphones. If this method doesn’t help, move on to other steps.

6. Recalibrate the Galaxy S20 battery

Sometimes your device may display inaccurate battery readings, which can confuse you as to whether or not it charges quickly. In such cases it can be useful to recalibrate the battery. This process resets the battery stats so the phone can display accurate readings.

How to recalibrate the battery of Samsung Galaxy S20 series smartphones:

  1. Use your S20 series smartphone until it turns itself off after it has been completely drained
  2. Make sure you Use the original charger to Charge the battery to 100%. Do not disconnect the charger for at least two hours after it hits the 100% mark.
  3. Now, unload the charger
  4. Turn on your phone. The battery is now recalibrated.

7. Reset to factory settings

Factory data reset fixes some important phone issues by removing hidden junk files that can be the cause of performance issues on your Galaxy S20. It can also solve the Galaxy S20’s fast charging problem. However, it will erase all the data stored on the phone. Hence, it is best to back up your data before proceeding.

How to reset your Galaxy S20 to factory settings:

  1. Go to settings
  2. Find Save and reset, then tap Factory reset
  3. Choose Reset to default
  4. Enter Password / PIN / pattern
  5. Tap on Delete everything

Resetting the device should fix the fast charging problem on the Galaxy S20 series smartphones.

We hope these methods helped you diagnose your Galaxy S20 and fixed the “No Fast Charging on Galaxy S20” issue. In case you cannot fix the problem with the above methods, visit an authorized Samsung service center and have it fixed by them. This will help you keep your warranty along with the water and dust seal after the repair.

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