Confirm that you want to delete the old messages and attachments by tapping the Delete button. If you select the 30-day option you will delete the majority of messages on your iPhone and make substantial storage savings. read more
Currently, to delete all messages, you have to go one by one, sliding and deleting each message as you go. If you're popular enough, this may take a good amount of time, and well, time is precious, so let's speed this shit up. read more
How to Delete Text Messages From an iPhone. Three Methods: Deleting Individual Text Messages Deleting a Single Conversation Deleting Multiple Conversations Community Q&A. This wikiHow teaches you how to delete messages from the Messages app on an iPhone. read more