Write the next sentence in the following story.

How to keep your smartphone safe
Turn on find my iphone or find a similar service for your phone.
Back up your data.
Backing up your data simply means keeping a duplicate data of all the data in your smartphone.
There are many viruses in the internet nowadays that can just blast off your smarty pants to heaven. So if you keep a backup, then you can just not make a big deal out of it as you've a backup.