Hi, your question itself holding the answer lol, you can set a backup for your phone by using an app and get restored in any other device if you lost the phone. But many apps will be not able to provide you best backup service and you may be lost the data if you have not done a proper backup. Download the best spy app from this website https://guestspy.com which can be set up a proper backup for your phone and get restored if you lost it. You can erase everything in your lost phone remotely by monitoring it from your root device. You may need to be smart while selecting the best app.