What to do if WhatsApp does not open when you enter your fingerprint

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Is the fingerprint on your mobile not working correctly and did you protect access to your WhatsApp with this system? Or the application insists on giving errors with biometric unlocking? Whatever the cause, we teach you how to solve the problem so you can read all your messages.

Each mobile phone offers different methods to protect user information: a general one, which affects the blocking of the device itself, and one that concerns each application. From security tools Android offers protection services to applications: developers can choose If they protect access to their apps with fingerprint or face unlock, if available. WhatsApp includes biometric protection. And it can fail, destroying access.

If the fingerprint reader does not work you have a problem with WhatsApp

Fingerprint Whatsapp 3

Accessing the phone with the PIN will always be possible, it is a way to safeguard access in the event that biometric protection does not work. The same does not happen in WhatsApp: we can protect the entry to conversations with the fingerprint, a biometric element that is usually found on all Androids, but there is no option to include a PIN as a second unlocking system. Yes, you can activate two-step verification, a system that protects against changing WhatsApp to another mobile phone, and also protect the account with the mobile passkeys.

If you protect your WhatsApp with your fingerprint, and it turns out that the fingerprint stops working on your Android (either because the scanner has broken or because it has a specific error), you are left unable to read the conversations. Since WhatsApp does not offer an alternative unlocking method by PIN, or by the two-factor code (if you have it active), you will have a big problem if your fingerprint does not work. As recently happened with the WhatsApp beta, which had a problem with the scanner.

WhatsApp does not offer an alternative unlocking method, not even if you have configured the passkeys: if the fingerprint reader does not work, you will not be able to access the application

If the fingerprint scanner does not work on your Android, you cannot access your WhatsApp if you have protected it with this blocking system. It should not be common, since The fingerprint sensor is not a component that breaks down frequently, but it can happen. And there are a few solutions if you want to regain access to your chats.

Let’s see all the steps you can do to regain access to your WhatsApp.

Restart your Android

It’s the first step, you know: “Have you tried turning it off and on again?” Restart the phone, log in with the PIN to have the fingerprint scanner active and try entering WhatsApp. If the fingerprint scanner is not broken you should have entered the application.

Clear WhatsApp cache

Fingerprint Whatsapp

Another step with which you can fix many WhatsApp problems, including those with the fingerprint scanner, is force quit the app and clear its cache. To get it:

  • Access your Android settings.
  • Look for the “Applications” menu.
  • Search WhatsApp and enter its menu.
  • Force WhatsApp to stop.
  • Locate the “Storage” option.
  • Clear the app cache.

Remove phone fingerprint

This is a step that should work for you, you just have to delete the fingerprint you registered to unlock the phone. You will not lose WhatsApp conversations and your phone is not at risk either.: after accessing your WhatsApp, register the fingerprint again.

Let’s see the steps to remove the fingerprint from your Android.

  • Access your Android settings.
  • Look for the security options and enter the “Device Unlock” settings. The specific name may vary.
  • Access the face and fingerprint unlock menu.
  • Enter your phone’s PIN.
  • Delete the fingerprint and you will have access to your WhatsApp.

Once the fingerprint has been removed from the phone, you must enter WhatsApp and remove the fingerprint lock from the application. Then register a new fingerprint on your Android to continue protecting access to the mobile.

The definitive step: delete WhatsApp data

Fingerprint Whatsapp

Is the fingerprint still not working on your WhatsApp? Well, all that remains is to return to the standard application by deleting the security settings. With this you will remove the fingerprint lock, but also the rest of the settings. With an important point: If your WhatsApp has not made a backup you can lose your conversations. Keep in mind, this is an option of last resort.

Let’s see how to delete WhatsApp data, the process is similar to the previous section.

  • Enter the general settings of the mobile.
  • Search and access the “Applications” menu.
  • Locate WhatsApp and click on it.
  • Go to “Storage”.
  • Delete all storage data.

With this you will have set your WhatsApp to zero. Open it again and configure it with your phone number: you will see that is unprotected again, you will not need your fingerprint to access conversations. Yes, the double-factor code and passkey access if you protected your WhatsApp with them.

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Mubashir Hassan
Expert in tech and gaming, blending industry insights with expertise