So have a look at the complete guide below to proceed.
This is an Apple-familiar app and is available on all iOS devices.
Now, if you are interested in the method, read this articles information until the end!

First, make the changes like before and either disable or initiate the Read receipts for all users.
Remember that you will be getting the opposite results to what you have set in your configs.
Simply go inside the contact chat screen and tap on the help option above on the screens right side.

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