International and unlocked versions of the popular Samsung Galaxy S3 can now be updated to Android v4.2.2 Jelly Bean via the CM10.1 custom ROM.

This is only for the international version of the Samsung Galaxy S3, which runs on the quad core processor. The CM10.1 ROM is from the CyanogenMod team and it provides users with updates to Google Now, it brings a new camera apps, lock screen gadgets, quick settings and many more benefits.

The Android 4.2.2 Jelly Bean ROM comes with support for OpenVSM, lock screen gestures, shortcuts on the lock screen, a theme manager, customised MMS and DSP equaliser. Bear in mind that at the moment this is a nightly stage build and you could come across glitches.

Upon installing the Custom ROM, you should back up your Samsung Galaxy S3 first. Make sure that the battery is at least 80% and your handset has been rooted, plus it has ClockworkMod. You will need the USB driver on your computer and make sure that you have USB debugging enabled.

You can check this is Settings > Developer Options > USN debugging.

You will of course need to download the CM10.1 ROM along with Google Apps; this will allow you to reinstall the native apps. Follow the instructions laid out over on the website of Cyanogen and you can enjoy Jelly Bean 4.2.2 on your Samsung Galaxy S3, along with everything that the CM 10.1 ROM offers.

Some of the new features on the S4 that could translate to the S3 include real-time lingo-decoder S Translator, and an array of pointless camera features, such as Dual Camera pictures.

Some features look like they could make the switch but might rely on hardware in the S4's camera. I'm talking about the various hands-off features that let you control the phone without touching the screen, as the camera detects your hand waving in front of the screen to scroll and swipe, your eyes straying from the display to pause a video with Smart Stay, and your hand tilting the phone to Smart Scroll.

Users are reminded that this is not the official Jelly Bean update for Samsung Galaxy S3. The update, as usual, will probably roll out in batches, and take much longer to arrive on carrier-tied variants.