Samsung galaxy s duos s7562 wrost phone ever released by samsung in world. those guys buy this I hates off them. this phone have 768 mb ram with android ics and this is final update for it . In Galaxy s duos 2 you get android 4.2.2 jelly bean. galaxy s duos have no development after root this you can nothing do with this device. same with galaxy s duos 2.
If you thinking to buy this phone 2nd hand then please think again about value of money.