What to Do When "Mobile Phone is Failed to Be Detected" During Testing



During mobile application testing, your mobile device needs to be properly detected by your computer or testing platform. However, there are instances when a mobile phone may not be detected during testing. In this article, we'll explore the possible causes of this issue and provide solutions to help you resolve it.

Common Causes and Solutions

Check the USB Connection

The first step to trouble-shoot this issue is to ensure that your mobile phone is properly connected to your computer or testing platform. Check if the USB cable is securely connected to both the mobile device and the computer. If possible, try using a different USB cable or connecting the device to another USB port on your computer.

Enable USB Debugging

USB debugging is a feature that allows your computer to communicate with your mobile device for testing purposes. To enable USB debugging, go to your device's Settings > Developer Options > USB Debugging. If you can't find Developer Options, you may need to enable it first by going to Settings > About Phone and tapping the Build Number seven times.

Update Device Drivers

Outdated or missing device drivers can prevent your mobile phone from being detected during testing. To update your device drivers, connect your mobile phone to your computer and open the Device Manager. Locate your device under "Portable Devices" or "Other Devices," right-click on it, and select "Update Driver Software."

Restart Your Computer and Mobile Device

Sometimes, a simple restart of both your computer and mobile device can resolve detection issues. Turn off your mobile device, disconnect it from the computer, and restart both devices. After they have restarted, reconnect your mobile device and try the detection process again.

Test with Another Device

If you're still unable to detect your mobile phone during testing, try connecting another mobile device to your computer. If the other device is detected successfully, the issue may be specific to your original mobile device. In this case, you may need to consult the device manufacturer for further assistance.


When your mobile phone is not detected during testing, it can be frustrating and hinder your ability to effectively test your application. By following the troubleshooting steps outlined in this article, you can identify the cause of the issue and resolve it, ensuring a smooth testing process for your mobile application.

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