Aslaam o alikum dosto plz mere pas ek sony experia hai kitkat android ver so baki to sara phone ok hai masla net k doran aata hai browsing downloading problem krta hai jb mein data on krta hun to us wqt fast net hota hai 3g4g lekin thori der bad net slow ho jata hai .home key ko press kr k running apps mein ek smsManager ap chal rahi hoti hai jb es ko close kru to net fast ho jata hai es ko kaise khtm kru permanently plz help