Samsung galaxy s duos 2 has 480* 800 resolution display with 233 ppi which is a descent one.it has 1500 mah capacity battety but you have to charge twice a day if you use it moderatley.5 mp rear camera is fine with auto focus and primary is 0.3 mp vga camera, not preferrable for selfies.this handset fits perfectly in hand as it is only 4 inch.Phone heats when it is playing music and while using internet.3g technology works fine with idea network.Advantage is that both sim slots are of 3g.Output speaker produces enough sound.Android version is jellybean 4.2.2.You can upgrade it to cyanogen lollipop, if you know how to install a custom rom.Buy it for only daily usage.Weight is average, does not feel like heavy.