How to make backup of system apps or pre installed apps in any android device without root?

Yes u r able to make backup of any pre installed apps in any android device.
Anything u have to do is read carefully the following steps....

1.First of all u have to download an app "Es File Explorer" .it can easily found on google play store.

2. Now u have to install it on ur android device. Than open that app.

3.Now on a upper left corner of this app a logo will appear . The logo looks like a globe behind the phone. Got it. Now tap it

4. Now a menu is open from left side. In which various options are given in a list form. Now u have to tap the "tools" option given at the bottom of the list.

5. Now a another list is open at the bottom of the tools option . In that list tap on "app manager" option.

6.Now a screen is open in which they show the app installed by user.

7. At the upper center of the screen u see a "user apps" option. Tap that option .

8. Now a new dialogue box is open . In which u see various options like user apps, system apps, installed on phone etc.

9. Tap on system apps. Then u will able to see all system apps.

10. Now touch and hold that app u want backup.

11. After selecting app at the bottom of screen u see various options . On 2nd no. U see a "backup" option tap that.after some time a notice is appear backup application successfully. Congrats!!!

12. Now u can easily share these apps with others.

NOTICE:-some times the system apps of one phone don't work on another phone!