Multiple windows open in the backgroundThe phone runs single apps smoothly. But whenever I try to switch apps, the switched app starts from scratch. Ex: If I have logged in to a website on chrome to complete a form, the page gets refreshed and logged...

I observed my phone performed better with the Ram Plus option set to OFF. However, I expected it work smoother by choosing addtional virtual Ram.What are your thoughts? Did you experiment turning it ON/OFF?

My network is working fine. All apps including playstore are well connected to internet. Esp. Play store is working fine (fig. 1 below) except when i try to download an app, it says something went wrong (fig. 2 below)Fig. 1Fig. 2

The best part I like about samsung phones is they allow to move app to sd card, thus saves some internal storage for smoother operation.

Can anyone tell me how to change setting on my samsung so that it can't be turned off by simply pressing volume down and power button while locked? This can be very useful from security point of view during theft.Also, how to set password for flight...