Can my s2 use jelly bean?

— It depends on the brand and the model of your phone or tablet. You need to look...

— I think that the default browser does not support PDF viewing capabilities and...

— These devices already have basic Java technology implemented so you should be...

— When you perform firmware upgrade certain things change (like the Samsung logo...

— There isn't an official way to upgrade Android on your phone to 4.1.2 JellyBean...

— The only way to update your phone's OS is by going to menu of the device >...