The answer is concrete: yes, through a mistake recently discovered in popular apps.
Many devices have the option to backup each dawn.
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Those who want to see the deleted message must back up the backup, but first remove WhatsApp from the device and then reinstall it from the official store.
Please note that when you restart the session, you will be able to resume all the conversations from the last backup.
By accepting, all conversations will be returned, including deleted messages.
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It is important to emphasize that all content is generated after performing reserve can not come back.
These steps can be done while the WhatsApp developers correct the mistake.
As you can see, the ability to recover deleted messages is easy to perform, but will require a number of steps.