Firewall app to block further communications with an existing Whatsapp party

For Whatsapp group, a member can stop receiving further
chats by exiting the group but for a 1-to-1 whatsapp, this
can't be done.

Is there some sort of firewall app to block further communications
with an existing contact party in Whatsapp (as well as SMS)?
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Jackie Man IT ManagerCommented:
There is no such firewall app as WhatsApp is using End-to-end encryption and it is not technically feasible to design such app as the real network data in transit will not be seen by any third party app.
Martin NguyenHelpDesk TechnicianCommented:
If you want to block someone who has messaged you, you can do so by clicking on their phone number or their contact info, and selecting Block and confirming you want to block them.
sunhuxAuthor Commented:
Hi Martin
Think your suggestion is for someone who whatsapp me for the 1st time,
then I'll be prompted to Block or Add.

But what if it's existing person who has been chatting with me?

Anythign for SMS?
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Jackie Man IT ManagerCommented:
Android OS has built-in feature to block phone calls and SMS from a contact. Please see the link below for details.
Jackie Man IT ManagerCommented:
Follow the procedure below to block further msgs from a contact in WhatsApp.

1. Open a 1-to-1 conversation, click the three vertical dots in upper right corner.

2. Click "view contact"

3. Browse and scroll data of such contact and click the Block button.


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Martin NguyenHelpDesk TechnicianCommented:
Thank you for the visuals Jackie Man (poor E--- is going to be blocked by you to answer this question, jk).

Sunhux - If you click on an existing contact in Whatsapp you can block further communication by following the instructions Jackie Man posted.
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