Troubleshooting Guide: Fingerprint Sensor Not Working on Huawei P30 Pro

If you’re facing problems with the fingerprint sensor on your Huawei P30 Pro, this comprehensive troubleshooting guide will help you resolve the issue and regain the convenience and security of using this feature.

Understanding the Importance of the Fingerprint Sensor

The fingerprint sensor on the Huawei P30 Pro is a crucial security feature that allows you to unlock your device quickly and securely. It provides a convenient alternative to PIN codes or patterns. With the fingerprint sensor not working, you might face difficulties accessing your device and experience a significant inconvenience.

Common Issues and Possible Causes

2.1. Unresponsive Fingerprint Sensor

If the fingerprint sensor is unresponsive or not registering your fingerprint, several factors could be causing the problem. These include:

a) Dirty or smudged fingerprint sensor: Dust, dirt, or oil residue on the sensor can interfere with its functionality. b) Wet or sweaty finger: Moisture on your finger may prevent the sensor from accurately reading your fingerprint. c) Damaged fingerprint sensor: Physical damage or a manufacturing defect can render the sensor unresponsive.

2.2. Slow or Inconsistent Fingerprint Recognition

Another common issue is when the fingerprint recognition process becomes slow or inconsistent. This problem can be caused by:

a) Software glitches: Bugs or compatibility issues with the operating system or third-party apps can affect the fingerprint recognition process. b) Outdated software: Running an outdated version of the operating system may result in performance issues with the fingerprint sensor.

Troubleshooting Steps

Follow these troubleshooting steps to address the fingerprint sensor issues on your Huawei P30 Pro:

3.1. Clean the Fingerprint Sensor

Start by gently wiping the fingerprint sensor with a soft, lint-free cloth. Ensure that no dirt, dust, or fingerprints are obstructing the sensor. If necessary, use a mild cleaning solution or isopropyl alcohol to remove stubborn residue. Avoid applying excessive pressure while cleaning to prevent damaging the sensor.

3.2. Dry Your Finger

If your finger is wet or sweaty, dry it thoroughly before attempting to use the fingerprint sensor. Moisture on your finger can interfere with accurate fingerprint recognition.

3.3. Register Your Fingerprints Again

Sometimes, re-registering your fingerprints can help improve the sensor’s performance. Navigate to the Settings menu on your Huawei P30 Pro and find the Fingerprint settings. Delete your existing fingerprints and add them again following the on-screen instructions carefully.

3.4. Update Your Device Software

Keeping your device software up to date is essential for optimal performance. Check for any available software updates by going to Settings > System > Software update. If an update is available, download and install it.

3.5. Clear Cache Data

Clearing the cache data can resolve software-related issues. Go to Settings > Apps > App Manager > Fingerprint > Storage > Clear Cache. Restart your device afterward.

3.6. Safe Mode Troubleshooting

To identify if a third-party app is causing conflicts with the fingerprint sensor, boot your Huawei P30 Pro into Safe Mode. In Safe Mode, only system apps will be active. If the fingerprint sensor works fine in Safe Mode, the problem is likely caused by a third-party app. Uninstall recently installed apps one by one to determine the culprit.

3.7. Perform a Factory Reset

As a last resort, you can perform a factory reset to resolve persistent fingerprint sensor issues. Ensure that you have backed up your important data before proceeding. Go to Settings > System > Reset > Factory data reset. Confirm your action and allow your device to reset to its factory settings.

Contact Huawei Support

If the above troubleshooting steps do not resolve the fingerprint sensor issue on your Huawei P30 Pro, it is advisable to contact Huawei Support for further assistance. They can provide specific guidance and arrange repairs if necessary.


The fingerprint sensor on your Huawei P30 Pro is a convenient and secure way to unlock your device. If you’re facing issues with the fingerprint sensor not working, follow the troubleshooting steps outlined in this guide. By cleaning the sensor, updating the software, and performing other troubleshooting actions, you can often resolve the problem. Remember to contact Huawei Support if the issue persists. Enjoy the seamless experience of unlocking your Huawei P30 Pro with a functional fingerprint sensor once again.

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