How to upgrade 236 to 40 samsung?

— You can't upgrade the Android version on this phone because Android 4.0 hasn't...

— In order to obtain a download link for the latest version of the software, you...

— If the package doesn't contain the webcam driver, I suggest you use Google...

— This phone does not officially support Android 4.x due to hardware limitations....

— Because of its hardware limitations, this phone isn't planned to receive...

— If you have a prior version of Android, then you can use Samsung Kies to...