Go to your device’s App Store and download the Messenger app. Open the Messenger app on your smartphone. Tap the Chat icon at the bottom of the screen. Go to the contact you wish to delete and hold down on it. Choose Delete from the drop-down menu that appears.
To see a list of all of your contacts, tap the people icon and then contact. To remove someone from your contact list, choose “Remove contact.” Facebook’s delete option has been changed to “block.”
Open WhatsApp. Select your profile image in the upper left corner. Choose the Phone Contacts option. Now, move on to tapping on the ‘Manage contacts’ button. You’ll be given a choice of all non-friend lists, so pick ‘Delete All Contacts.’
After a message has been deleted, it will be replaced with a textual notification informing everyone in the discussion that the message has been removed. You have up to 10 minutes after sending a message to remove it. Select “Remove for You” if you just want to get rid of a message on your own behalf.
To disable Facebook M Suggestions, open Facebook Messenger and go to your profile icon. It’s in the top left corner of the screen on iOS; on Android, it’s in the top right. Scroll down to “M Settings” and switch it off. Simply turn off the “Suggestions” option in order to eliminate Facebook M Suggest