If you want to let a person know they have been blocked, you will need to download an app that will automatically reply to text messages. Sending an Automatic Reply Using SwiftReply Some users have reported that the app “ Private Space” works well for them. If you ever want to unblock the person, return to the “ Manage blacklist” screen, tap it, then select “ Unblacklist“. You won’t get notifications you’ve received a message from the person either. Now all of the text messages from that person will be blocked and not visible in the Handcent app. You can choose one from your contacts, call logs, or input the number directly. Tap the plus ( +) icon to add the phone number you wish to block.Scroll down and select “ Manage blacklist“.Open Handcent then select the menu at the upper left corner of the screen, and switch from “ Inbox” to “ More“.Otherwise, you’ll get double notifications for text messages. Since you’ll be using Handcent for text messaging, disable the notifications for your current text messaging app.Download and install Handcent SMS for your text messaging needs.If your messaging app does not offer a Blacklist option, use Handcent. You would have to use an app like SwiftReply, mentioned below. Owners of the numbers you have blocked will not receive any type of notification that they have been blocked. If you ever wish to remove a number from the blacklist, return to the Blocked contacts screen, and select the “ X” next to the number.Tap “ Add a number” to add a number you wish to block.Press the “ Menu” icon located at the upper-right corner.Some carriers may include a different app for messaging.

Note: These steps are for the stock “Messages” app included with Android 7.

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