The JellyBean rollout in Europe begun a month ago starting with Poland, while today almost all europeans are eligible to upgrade their Samsung GALAXY S III‘s to the latest version 4.1 of Android. Network operator Three UK has just announced that Android 4.1.2 is now available for its customers who own a Samsung GT-i9300 GALAXY S3. All you have to do is tap into Settings > About phone > Software Updates > Update > Tap to confirm agreement.
Note: Make sure you’re on a steady internet connection, WiFi recommended.
— Three UK (@ThreeUK) October 18, 2012