Samsung has officially pushed out the Android 4.3 Jelly Bean OTA Update for UK-based Galaxy S3 I9300. Check your device's Software Update menu, the notification bar or use the Samsung KIES software to find out if your Galaxy S3 got the new upgrading files.
Android 4.3 JB with XXUGMJ9 firmware version will reach all Samsung Galaxy S3 I9300 phones that are unlocked and unbranded. The main features of this update are: support for Galaxy GEAR, TRIM technology, ANT+, updates for important UI elements that are already present on the Galaxy S4, new Samsung Keyboard, updated GPU drivers, new lockscreen with widgets and customizable clock size, Adapt Display and Professional Photo screen modes, Daydream, actionable notifications, Driving Mode, move-to-sd-card feature, sound and shot new camera modes, Voice controls, new Samsung applications like Clock, Calculator, Contacts, Music, Gallery, new S-Voice taken from Galaxy S4, revamped Settings user interface and others more.
There are tons of other small updates and improvements added. All these will make your device run smoother and better. The Android 4.3 XXUGMJ9 has the build date set to October 26, it will be pushed to your Galaxy S3 Over-the-Air and it his highly recommended for you to use a Wi-Fi connection in order to download it. Alternatively, you can use the Samsung KIES software to check for new updates, simply connect your Galaxy S3 to your computer and then launch the app.
Did you get the Android 4.3 Jelly Bean OTA Update for your Galaxy S3 in UK? If you did get it, then tell us in comments if the XXUGMJ9 Jelly Bean ROM has improved the overall performance of your device. Also, make sure to test all the new features and elements added by the updating process.
UPDATE: There are reports coming from UK users complaining about battery draining issues and 'force close' app errors shown on their Galaxy S3 device after updating to Android 4.3 XXUGMJ9 firmware. Samsung is already working on a fix that should be available soon.