Delete a
conversation
Press and hold a contact (or phone number), and then
tap Delete.
To delete multiple conversations, on the All messages
screen, tap > Delete threads, and then select the
conversations to delete.
In the Messages settings, tap General > Delete old messages to
auto delete old messages.
How do I protect a message from being
deleted?
You can lock a message so that it will not be deleted even if you
delete the other messages in the conversation.
1. On the All messages screen, tap a contact (or phone
number) to display the exchange of messages with that
contact.
2. Tap the message that you want to lock.
3. Tap Lock message on the options menu. A lock icon is
displayed.
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