Viewing Messages:

  1. Open the 2nd Phone Number app.

  2. Tap the "Messages" tab at the bottom of the screen. This will show your entire message history.

  3. Tap on a specific contact or phone number to see your conversation with them.

Deleting Messages:

  1. Follow steps 1 and 2 above to access your message history.

  2. Swipe your finger left on the contact or number whose message you want to delete.

  3. You see a "Three dots" option appear. Tap on it to reveal additional options.

  4. Select "Delete" from the list of options.

  5. Confirm the deletion by tapping "OK".

Remember: Deleted messages are permanent! Make sure you really want to delete them before confirming.