Spanish Android Blog Android Jefe has claimed that the deleted messages are in the notifications log of the device. He also said that after deleting messages by sender, it can be read easily. It is said in the blog, that the messages are stored in the notification register of the Android system. In this user can access recorded voice to deleted message.
According to the blog, a third-party app Notification History can be installed from Google Play, with the help of this app deleted messages can read easily. After downloading the app, users have to search the message in the Android Notification Log. To access notification log, Long press in Home Screen go to Widgets. Activities> Settings> Notifications Log. Here you will see system notification, but there are many limitations in this. In addition, the app named Whatsremoved is available on Google Play Store. This third party app can read deleted messages from WhatsApp. But let us tell you that giving access to third party app to read personal information, can be dangerous.