Troubleshooting Android USB Disconnect Error – Simple System Guide and Common FAQs.

It is quite common to encounter the Android system error "USB connection has been disconnected" when using an Android phone. However, not everyone knows the cause and how to fix this error. In this article, FPT Shop will guide you through the simple troubleshooting steps for this Android system error as well as answer common related questions!

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When using an Android phone, sometimes you may encounter system errors such as a disconnected USB connection or other errors. The following article by FPT Shop will guide you on what USB debugging is and how to fix Android system errors related to USB connection quickly and easily!

1. What is USB debugging? What is it used for?

What is USB debugging?

USB debugging, also known as USB Debugging, is a useful feature on Android devices that allows it to communicate with a computer running Android SDK to perform advanced operations.

This method allows the Android device to receive commands, files, and similar data from the computer while allowing the computer to access important information, such as log files, from the device.

Purpose of USB debugging on Android

USB debugging mode on an Android device is a necessary and useful tool for both developers and regular users. The main purpose of activating USB debugging mode is to support troubleshooting on various applications, including system errors where the Android device’s USB connection is disconnected. This tool allows developers to directly interact with the device without using a development console.

The main function of USB debugging mode is to establish a connection between the Android device and the computer, allowing the device to use the Android operating system to receive files or commands from the computer and vice versa.

2. How to enable/disable USB debugging on Android phones

This guide is performed on a Samsung Galaxy J7 Prime running Android 8.1.0. For other Android phone models, you can follow similar steps.

Enable USB debugging

To enable USB debugging mode on an Android phone:

Step 1: Go to Settings → Select About Phone → Choose Software Information.

Step 2: Tap repeatedly on Build Number (7 times).

Step 3: Go back to Settings → Choose Developer Options.

Step 4: Enable Developer Options and scroll down to enable USB Debugging

Confirm enabling USB debugging by selecting OK.

Disable USB debugging

To disable USB debugging mode on an Android phone:

Step 1: Open Settings on your phone → Select Developer Options.

Step 2: Slide the switch to OFF to disable Developer Options.

This is how you can enable and disable USB debugging mode on your Android phone, thereby fixing Android system errors related to a disconnected USB connection.

3. FAQ

Is USB debugging safe?

Answer: No. In most cases, enabling USB debugging mode is not considered safe, especially when connecting to public charging stations or in cases where your device is lost or stolen. In these cases, others may have access to your phone’s data even if the screen is locked.

Should USB debugging always be enabled on a phone?

Answer: No. You should only activate this mode when necessary, as mentioned in the previous section, to ensure the security of your device.

What should I do if USB debugging is not working?

Answer: You can try restarting your phone, checking the USB connection, or using a different USB cable to see if the issue can be resolved.

4. Conclusion

Fixing Android system errors related to disconnected USB connections is not too complicated. If unsuccessful, you can try turning off your device and carefully repeating the process from the beginning.

Hopefully, through this article, you have learned about the USB debugging function on mobile phones and the simplest and fastest ways to fix Android system errors related to disconnected USB connections.

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Frequently asked questions

To enable USB debugging, go to your phone’s Settings, select ‘About Phone’, and then choose ‘Software Information’. Tap repeatedly on ‘Build Number’ until you see a message saying ‘You are now a developer’. Go back to Settings, and you will now see ‘Developer Options’. Enable this, scroll down to ‘USB Debugging’, and turn it on. You will need to confirm by selecting ‘OK’

To disable USB debugging, open your phone’s Settings and find ‘Developer Options’. Simply slide the switch to the ‘OFF’ position to turn off Developer Options, which will also disable USB Debugging.

No, enabling USB debugging is generally not considered safe. Your phone’s data may be at risk if connected to public charging stations or if your device is lost/stolen. It is recommended to only activate this mode when necessary and ensure your device is secure at all times.

No, you should only enable USB debugging when required for specific tasks, as mentioned earlier. Keeping it always on may pose security risks.

If USB debugging is not functioning properly, try restarting your phone, checking the USB connection, and using a different USB cable to see if the issue can be resolved.

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