Ipone7 SMS has a "heart" back. How to delete it?

1. First turn on the' Settings' button of the mobile phone, as shown in the figure below.

2. Drop down and find the information button, which is a short message icon. Click on it' Information', as shown in the figure below.

3. Click to enter, and you will see a column of information history-reservation information. Click it, as shown in the figure below.

You will see that there are three options, which are set according to your personal needs. If you think SMS is basically unimportant, you can set it to 30 days, because ipone phones are never deleted by default. After setting, the information will be automatically deleted after more than 30 days on the mobile phone.