Samsung Sweden confirmed that the Galaxy S II will be receiving Android 4.1 Jelly Bean in November.
This means you should expect to have the update before the end of the year!
You will be able to update by using OTA or Samsung KIES.
Some news regarding the upcoming Jelly Bean 4.1 update,
The Jelly Bean update will have a few enchantments including:
- Better performance with new Project Butter = smoother and faster
- Reorganized settings menu
- 2 Home screen modes
- New Notifications bar
- Google Now
- Sizable Pop-up play screen