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Samsung Galaxy A21 - Block / Unblock Numbers

2026-10-22 20:12:13.9

Samsung Galaxy A21 - Block / Unblock Numbers

Here's how to block messages and send unwanted calls directly to voicemail for your Galaxy A21.
Calls and messages from contacts or phone numbers added to the blocked list are automatically ignored. The call is forwarded to voicemail and the text / picture message isn't delivered to your Messages app.

Add Block

  1. From a Home screen, tap the
    Phone icon
     Phone icon (lower-left).
    If unavailable, swipe up from the center of a Home screen then tap
    Phone
    .
  2. Tap the
    Menu icon
     Menu icon (upper-right).
  3. Tap
    Settings
     then tap
    Block numbers
    .
  4. To add a number perform one of the following:
    • Tap
      Add a phone number
      , enter the desired number then tap the
      Add icon
       Add icon.
    • Tap 'Recents' or 'Contacts', select the desired phone number or contact then tap
      Done
      .

Remove Block

  1. From a Home screen, tap the
    Phone icon
     Phone icon (lower-left).
    If unavailable, swipe up from the center of a Home screen then tap
    Phone
    .
  2. Tap the
    Menu icon
     Menu icon (upper-right).
  3. Tap
    Settings
     then tap
    Block numbers
    .
  4. Tap the
    Remove icon
     Remove icon located to the right of the number.