How to backup Android device.
If you are updating your phone it can be a good idea to backup your contact list before doing so. Usually this is not necessary but if you are unlucky you can lose all your data including your contacts.
The good news
Thankfully Google has made Android Os in such a way that if you have linked your Android phone to your Gmail, your contacts are most likely already synced with your gmail.
To check this go to your Gmail account.
In the upper left corner under…