How to set iPhone to delete SMS automatically?

How to set iphone to delete SMS automatically? The following small series will share with you. After Apple's IOS system is upgraded to IOS8, iMessage can not only send short messages, but also support the sending of videos, pictures and voices. For users who often chat with iMessage, our mobile phones will take up too much space! But in fact, there is another intimate function of iOS 8, that is, you can set an expiration date to automatically delete information, which is a bit like the "burn after reading" function launched by Snapchat. We can set it by the following methods! Operation method First, click "Settings >; Messages > save messages. 2. Then, you can choose "1 year" or "30 days" to see how long you want to keep the information. Then iOS will pop up a confirmation menu asking if you need to delete these expired information. You know, deletion cannot be undone!