What if a message without a theme cannot be deleted?

Open the untitled interface, enter the following things, return to the brief interface of SMS, it will become a draft (red draft in front), and then delete it.

After using the newly bought mobile phone for a period of time, we will make intelligent recommendations according to our habits and hobbies, and provide some personalized advertising information that we may be interested in.

If you don't want to receive this kind of advertisement again, you can open the settings of your mobile phone and find the privacy settings. Here are four options. Click to select advertising and privacy.

After entering, we can see that the restriction of advertising tracking is turned on by default, and we just need to turn it off, so we won't receive any more advertising push in the future.