how to unable background apps in samsung grand duos ????????

[Naman Suri]

how to unable background apps in samsung grand duos so that i can unable background apps
and use less memory ??????? and who has the answer to change the default settings for apps to open with which apps ?? i mean if i open an image then opt come if u want to use open thi simage with this app or this app..if i choose any of them for always then it pop ups that change default setting from task manger>change default .......i dnt knw where this task manger is and where is thsi option of default ...i hv searched ol my fone.but dint find this thing .........plz help !!!!!!!!

 

[Golfdriver97]

You can disable some apps through the Apps section in Settings.
http://forums.androidcentral.com/sa...ng-apps-galaxy-s3-tab-2-no-root-required.html

However, Android doesn't use RAM the same way Windows does. Android likes having RAM full.