Google Cloud is the best and the free service to store your data. Here you can store all your files, settings and other data of your Android phone with inbuilt controls. And then you can restore it any time with your Gmail user id and password. Of course for this, you’ll need a Gmail account.
How To backup Android to Google Cloud
Step 1: First Go to System Settings.
Step 3: Now, make sure that Backup My Data and Automatic Restore options are checked.
Step 4: Now tap the Backup Accounts options.
Step 5: Now select Existing Google account or add another by clicking on New.
Now you just need to remember your Google Email id and Password to restore your Android data.