Fingerprint Sensor Issues After OTA Update: Why and How to Fix

The Asus Zenfone Fingerprint Sensor Problem After OTA Update

After a recent Over-The-Air (OTA) update on your Asus Zenfone, you've noticed that the fingerprint sensor is not working properly. Sometimes, you need to press it very hard to make it work. This issue could be due to several factors. Here, we will explore the possible causes and provide you with a set of steps to troubleshoot and potentially fix the problem.

Possible Causes of Fingerprint Sensor Issues Post OTA Update

There are several reasons why the fingerprint sensor might be experiencing problems after the OTA update:

1. Software Glitch

OTA updates can sometimes introduce bugs or glitches that affect hardware functionality, including fingerprint sensors. These issues could be due to changes in the software that manages the sensor.

2. Calibration Issues

After an update, the device might need to recalibrate the fingerprint sensor. This process could cause it to be less responsive until it is properly calibrated.

3. Hardware Problems

Although less likely, it's possible that the update coincided with a hardware issue. If the sensor is physically damaged or has accumulated dirt, it may require more pressure to register a touch.

4. Settings Reset

Sometimes updates can reset or alter settings related to biometric security, which may affect how the fingerprint sensor behaves.

Troubleshooting Steps to Fix the Fingerprint Sensor Issue

Here are some steps you can take to troubleshoot and potentially fix the fingerprint sensor issue:

1. Restart Your Device

A simple restart can resolve many temporary issues caused by updates. Try turning off your device, then turn it back on and see if the fingerprint sensor works.

2. Re-register Fingerprints

Go to the settings and remove your existing fingerprints. Then re-register them to see if that improves the sensor's responsiveness.

3. Check for Further Updates

Sometimes manufacturers release patches shortly after an OTA update to fix newly discovered issues. Check if there's a new update available for your device.

4. Clear Cache

Clearing the cache of the system or the fingerprint-related app if applicable can help resolve software issues. This can be done in the 'Settings' > 'About Phone' > 'Clear Cache Partition'.

5. Boot in Safe Mode

Booting your device in safe mode can help determine if a third-party app is causing the issue. If the fingerprint sensor works in safe mode, a recently installed app may be the culprit.

6. Factory Reset (As a Last Resort)

If nothing else works, you could perform a factory reset. Be sure to back up your data first as this will erase everything on your device.

Conclusion

Yes, OTA updates can occasionally cause problems, including issues with hardware functionality like fingerprint sensors. If the problem persists after trying the troubleshooting steps outlined above, you may want to consider contacting Asus support for further assistance or visiting a service center before proceeding with a factory reset.