There are many ways to back up your personal content on your phone to your Google Account. For example, to back up your photos and videos, you need to turn on the backup feature in Google Photos. If you want to back up files and documents, you can turn on the Auto Backup feature in Google Drive.
Here are some of the items that the Android
Backup Service can back up to your Google Account:
When you restore content from your old phone, the home wallpaper cannot be restored if your old phone has a different screen resolution than HTC Desire 530.