what is latest android version for samsung s7562? i want to know which is the latest android version for samsung galaxy s duos s7562. in my phone android 4.0.3 is installed but it is very slow.though not much applications installed still it takes 8-10 seconds to respond to touch commands
4.0.4 is currently the latest version, and updating your device does not make it any faster. 
Try formatting your device as S Duos is prone to lag after some use.