How to back up all phone data for None rooted devices

Why To Backup My Phone data :

One of necessary step you have to do be for doing any actions like (root , change Roms , firmware's, rest your data ) is Backup and in this Tutorial i will show you how to back up all your phone data like calls.contacts,sms,apks and its data, photos and videos .

Consequences if you don't back up :
\Simple You may lose your data , like calls.contacts,sms,apks and its data, photos and videos .

Instructions : 

1-How to backup your phone data ("Calls,Contacts,SMS")

2-Click Here to backup your phone Apps "APKs+Data" Using Helium - App Sync and Backup

3-Backup your photos and videos 

First of all yo must have a google account signed with your Android Phone ,

See here the instructions

Then Back up all your media with google photos app 

You can see how at this guide Here

Sorce : google, google play,rooter 15