Log in to Google play store and search Notisave Application.

Once you find the app just download and install it on your phone where your WhatsApp account logged in.

Step-1

Step-2

Once you select and open the WhatsApp icon in the app, you will see all your deleted messages there.

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Step-4

This type of third-party application comes with malware, be careful to use links shown by this app,

NOTE:

so use it at your own risk.

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