When I try to delete a message, I get prompted to select whether to "Delete locked messages".

There doesn't appear to be any difference if I check this option or leave it unchecked.

Does anyone know what that means?

2 Answers 2


You can lock a particular message in your conversation so you don't accidentally delete that. The check box is for those messages. See following screen-shots -

  1. First Long tap on the message you want to lock, and select Lock.
  2. The message should be now locked and a lock icon should appear at the bottom.
  3. Now when you delete the conversation the message was in, the locked message would not get deleted if the check-box is not selected.

Step 1 Step 2 Step 3 Step 4


You can lock messages that you want to retain in your phone. IIRC long pressing the message will give you the option to lock the message.

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