Bro i must say take any nokia or microsoft phone . U will never be dissapointed..be it any phone ..
Forget about ram, processor, camera, etc..
It will give u flawless multitasking ..and performance plus no heating issue....
No lagging ..i m using lumia 730 dual sim phone from october 2014 ..still its performance is awesome ..Playing asphalt 8 airborne , many more through...
more... x box....really amazing phoneЁЯШН