How to delete all iPhone text messages? Deletion steps

1. Note: This method will delete all text messages in the iPhone. If you have important text messages that need to be saved, you can first take a screenshot or copy the text messages to a memo to save them.

2. Step one: Open the phone settings - Information - Retain information, and change the information retention time to 30 days. At this time, the phone will pop up a prompt box asking whether to delete all text messages older than 30 days. Click Delete.

3. Step 2: Open Settings - General - Date and Time, turn off the automatic setting option, and adjust the time to 30 days later.

4. Step 3: Close the information application in the background and reopen it. At this time, you will find that all the information has been deleted. Please remember to go back to the date and time settings and turn automatic settings back on.