Samsung Galaxy Note 10+ User Manual page 129

Apps
Protect a message from deletion
You can lock a message so that it will not be deleted even if you delete the other
messages in the conversation.
1. From Apps, tap Verizon folder >
2. Tap a conversation to display it.
3. Touch and hold the message that you want to lock, and then tap Lock message
on the pop-up menu. A lock icon displays on the message.
Delete conversations
You can delete all messages that you've exchanged with another person.
1. From Apps, tap Verizon folder >
2. Touch and hold a conversation you want to delete and tap Delete conversation.
Follow the prompts to confirm the deletion.
NOTE Locked messages will not be deleted unless you select Also delete locked
messages before confirming the deletion.
Message+.
Message+.
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