Open WhatsApp on your device. Go to the ‘more’ icon. Then, access ‘settings.’ Select ‘account’ from the drop-down menu. Tap ‘delete my account’ once you’ve finished inputting your phone number in full international format and hitting submit.
To remove WhatsApp, go to the Settings app on your phone. Apps & Notifications WhatsApp Uninstall Delete.
To activate WhatsApp on your new phone, use a new SIM card with the same number. Send us the phrase “Lost/Stolen: Please deactivate my account” in an email with your full phone number, as described above.
What this means is that, once you’ve reinstalled WhatsApp, your account and privacy settings will be the same. However, when you cancel your WhatsApp membership, all of your preferences and blocked numbers will be reset and removed. So if you re-register your WhatsApp account after deleting it, you’ll have default settings and no blocked phones.
It’s essential to uninstall and reinstall the most recent version of WhatsApp. It will resolve your problem. Because your phone has a built-in WhatsApp Application uninstalling your App is not possible. Try using Debloater, which may help you remove a built-in App without requiring root access.