A few days ago there was an error in the app that allowed a user to access messages from other users, even without knowing them. This failure is generated, mainly, because many people change their phone number and do not migrate their WhatsApp accounts to the new number. For this reason, if you have modified your number recently, from WhatsApp recommend that you perform the following steps as soon as possible. 1) First it is necessary to enter WhatsApp and select the three vertical points...