Fix Notification: USB connector/Disconnected on Samsung S21/S21 Plus/S21 Ultra

Samsung s21

The easy way to fix the notification USB connector/disconnected on Samsung S21, S21 Ultra, S21 FE, and Galaxy S21 Plus is to make sure you have a good charger. Clean your charging port, restart your device, update your phone to the latest version, and make sure your device is compatible with the charger.

If you’re having trouble with the USB connector on your Samsung Galaxy S21, there are a few things you can try to fix. First, make sure that the connector is clean and free of any debris. If that doesn’t work, try restarting your phone. If the problem persists, you may need to replace the USB connector.

Sometimes, you will try the above, but your USB issue will still persist. You do not need to worry about anything, We will be taking you on steps you can take to get your USB connector/Disconnected on the Samsung Galaxy S21 Ultra resolved within seconds.

Keep reading to find out:

Steps to Check Connector/Disconnected on Samsung Galaxy S21/S21 Ultra/S21 FE/S21 Plus

  • Examine the USB cable.
  • Verify that your phone and computer are both correctly connected to the USB cable.
  • Examine the USB port.
  • Make sure your phone’s USB port is clear of debris and dust.
  • Switch off your phone.
  • Try rebooting your phone to see if it fixes the problem.
  • Look into the USB driver.
  • Verify that the USB driver is correctly installed and that it is current.
  • Change your USB port.
  • In your PC, try connecting your phone to a different USB port.
  • Your phone’s settings
  • Try restarting your phone to see if it fixes the problem.
  • Verify any system updates
  • Verify that the Android operating system on your phone is the most recent version. Update it if necessary if it isn’t.

The Value Of Using Your Android System USB Connector Correctly When Connecting And Disconnecting

If you want to make sure that your Android device can transfer data to and from other devices safely, you must connect and disconnect its USB connector correctly. Data corruption and device harm might result from incorrectly attaching or detaching the USB cord.

Additionally, the system may freeze or stop working as a result of these bad connections. In order to prevent harm to your device and data corruption, it is crucial to carefully connect and disengage the USB connector.

Examine the USB connector on your Android system for damage

It’s crucial to thoroughly examine the broken Android system USB connector to determine where the issue originated. Check the connector for breaks or cracks and make sure all of the pins are still attached. It could be necessary to repair the connector if it is damaged.

Use a multimeter to check for continuity if you think your USB connector may be faulty. Connect the red lead of the multimeter to each of the other contacts after attaching the black multimeter lead to the ground pin of the USB connector.

Connection is sound if the multimeter beeps or displays a reading. If there is no reading, the USB connector needs to be changed since the connection is faulty.

Defective USB cable

A USB cable’s malfunction could result from a number of different problems. It might be the result of bodily harm, like a cable kink or break. A loose connection or a problem with the USB port itself may also be to blame.

It is advised to try a different cable or port if the cable isn’t functioning properly, and if that doesn’t work, then replace the cable.

Malfunctioning USB cable on Samsung S21 Ultra/S21 FE/S21 Plus/S21

Broken or damaged cables

It’s possible that the USB cable has physical damage from the use or from being bent too radically.

Inferior cables

If your gadget needs a certain amount of current to operate effectively, poor-quality cables may be unable to supply it. This could lead to a malfunction.

Bad connections

If the USB connector cannot make a secure connection. The device might therefore be unable to draw the electricity it requires to operate.

Outdated drivers

if the cable is not being recognized by the device. Then it’s conceivable that your computer’s driver needs to be updated because it’s out of date.

Defective device

It’s possible that the gadget has to be replaced because it’s broken.

Improper Android system configuration

Poor speed, unexpected issues, and even data loss can result from incorrect settings of the Android operating system. Installing incompatible software and rooting the smartphone are two common reasons why Android systems are configured improperly. altering system settings without considering the repercussions.

to make sure the Android system is configured properly. Users need to make sure their software is compatible. Avoid rooting the smartphone and don’t change the system settings unless you know what they mean. Users should periodically back up their data to further reduce the impact of any setting problems.

How to Fix USB Charging Issues on Samsung S21 FE /S21 Ultra /S21 Plus/ S21

Additionally, you can attempt the below steps if your Samsung Galaxy mobile is having issues with USB charging:

  • Make sure your device is compatible with the charger and cable you’re using.
  • Your phone’s charging port should be cleaned using a toothpick or small brush. Problems with charging might occasionally result from dust or debris accumulating in the charging port.
  • An alternative power supply or wall adaptor might work better.
  • Try restarting your phone and charging it once more.
  • If none of these remedies work, you might have a battery issue, in which case you should get in touch with the product maker or an authorized service provider.

Samsung Galaxy phone USB connectivity issues might be annoying, but there are a few actions you can take to investigate and fix the issue. It’s recommended to take your phone to a professional for repair if you’re still having problems after attempting the techniques mentioned above.


There are a number of measures you may take to investigate and fix a USB connectivity or charging issue with your Samsung Galaxy S21. There are many options to consider, such as updating the software, experimenting with other cables and/or chargers, and fixing the USB connector. It’s best to have your phone repaired by a pro if you’re still having problems.

These troubleshooting techniques will help you fix USB connectivity and charging issues with your Samsung S21 FE so you can resume using it normally.

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