Fingerprint scanner allows you to unlock your phone just using the tap of your finger and it makes the whole experience a lot more fun. But when it stops working, it can be quite annoying. If you’re having issues with fingerprint scanner on your OnePlus Nord, here are some solutions you can try.
How to fix fingerprint sensor not working issue on OnePlus Nord
Below are some solutions that can help you to fix fingerprint sensor problem on your OnePlus Nord.
1. Clean the screen
The first thing you should do when fingerprint stops working is check if the screen is dirty. If there are dirts or smudges on the fingerprint sensor, it will have trouble recognizing your fingerprint. Take a microfiber cloth dampen with an alcohol solution and wipe off the dirt from the screen.
2. Remove screen protector
If you are using incompatible screen protectors or screen protectors that are dirty or damaged, that can prevent the sensor from recognizing your fingerprint. Take off or replace the screen protector and try the sensor again.
3. Delete and add fingerprints
Deleting old fingerprints and adding new fingerprint can often resolve the fingerprint problem. Follow the procedures below to delete and add new fingerprints on your device.
How to remove old fingerprints:
- Go to Settings
- Scroll down and tap on Security and lock screen
- Tap on Fingerprint Unlock
- Type in the PIN, Password, or Pattern if prompted
- Tap the Delete icon to the right of the fingerprint you want to remove
- Tap Yes, Remove to confirm.
After you have removed the old fingerprints, it is time to register new fingerprint. Here’s how to add new fingerprints on your OnePlus device.
- Go to Settings
- Scroll down and tap on Security and lock screen
- Tap on Fingerprint Unlock
- Type in the PIN, Password, or Pattern if prompted
- Tap Add fingerprint. Enter the current PIN, Password, or Pattern if prompted
- Follow the on-screen tutorial to scan your fingerprint
- Tap Done to add the fingerprint or Add Another if you want to add more fingerprints.
Note: Ensure the screen protectors are removed from the phone and your fingers are cleaned properly before proceeding to add new fingerprints.
4. Wipe cache partition
Cache partition stores frequently accessed files and data including your fingerprint data and at times they can get corrupted. If the above solution do not work, try deleting the cache partition and see if that resolves the problem.
Follow the procedure below to delete cache partition.
- Turn off the device by pressing the Power button and then tapping Power off option
- Then press and hold together the Power button and the Volume down key
- Continue to hold both keys until OnePlus logo appears
- Press the Volume Up and Volume Down key to navigate the menu and then press the Power button to select the language
- Alternatively, you can just tap the language to select
- Next, select Wipe data and cache and then tap Wipe cache
- Tap Yes to continue
- When the wipe is completed successfully, Reboot is highlighted
- Tap Reboot to continue and restart the device.
5. Factory reset your device
Sometimes the problem may be firmware related. If the problem started after a software update, it can be due to new bug that came with the update. Restoring your device back to earlier firmware version may resolve the problem. However, doing factory reset will delete everything on your device therefore, proceed only after taking backup of your important files.
Follow the steps below to factory reset your device.
- Open Settings
- Tap on System
- Tap on Reset options
- Then tap on Erase all data (factory reset)
- Scroll down and tap on the Erase all data button
- Tap Confirm then tap Erase all data to proceed with the factory reset.
Another method to factory reset your phone is by using hardware keys. Here’s how it is done.
- Turn off the device by pressing the Power button and then tapping Power off option
- Then press and hold together the Power button and the Volume down key
- Continue to hold both keys until OnePlus logo appears
- Next, tap on Forgot Password
- Tap Ok to continue
- Tap Ok to confirm
- Wait until the process completes.
After the phone has been successfully restored and fully rebooted, try and see if the fingerprint sensor works now. If it doesn’t, contact OnePlus support for further diagnosis of the problem.