Background Mobile App permission in Lenovo A5

Bakground permission

1. Go to the settings, click on Apps & permission

   

2. Click on protected apps

   

3. Click on app, which you want to run in background

   

Battery optimization

1. Go to the settings, click on Battery & power saving

   

2. Click on three dots on the top
   As you see in picture below

   

3. Click on Battery optimization

   

4. Click on Not optimised
   As Shown in the picture below

   

5. Click on All apps

   

6. Click on app, which you want to run in background

   

7. Now click on Don't optimise

   

8. Finaly click on Done