Samsung Galaxy A21 User Manual page 51

Apps and features
Viewing messages
Messages are grouped into message threads by contact.
You may incur additional charges for receiving messages when you are roaming.
1
Launch the Messages app and tap Conversations.
2
On the messages list, select a contact or a phone number.
• To reply to the message, tap the message input field, enter a message, and then tap
.
• To adjust the font size, spread two fingers apart or pinch on the screen.
Blocking unwanted messages
Block messages from specific numbers added to your block list.
1
Launch the Messages app and tap → Settings → Block numbers and messages →
Block numbers.
2
Tap Conversations and select a contact or a phone number. Or, tap Contacts, select
contacts, and then tap Done.
To manually enter a number, enter a phone number under Enter phone number and tap
.
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