Samsung is releasing Android updates for its many of the devices in many countries, but one thing people are eagerly waiting across the world is the Android 4.1.2 Jelly Bean update for Samsung Galaxy S3.

Although no official date is announced about the release of the firmware update by the company, a research done by SamMobile shows that Samsung is almost done with the Android 4.1.2 Jelly Bean update for Samsung Galaxy S3.

According to a SamMobile report, the company has not listed some countries and carriers for the update.

The unlisted countries and carriers are given below:

Algeria - TMC
Argentina (Movistar) - UFN
Bangladesh - TML
Belgium / Luxemburg - PRO
Brazil (Claro) - ZTA
Brazil (TIM) - ZTM
Brazil (VIVO) - ZVV
Germany - MBC
Nepal - NPL
Panama (Cable & Wireless) - PCW
Slovakia - TMS
South Africa - XFA
South Africa (Vodafone) - XFV
Sri Lanka - SLK Uruguay - UFU

The report has also listed the improvements which the Galaxy S3 devices will be getting with the Android 4.1.2 Jelly Bean update.

- Android 4.1.2 - JZO54K
- Multi-View (Multi-Windows Multitasking, same as in Note II)
- Page Buddy
- New Gallery App (Same as in Note II)
- Notification Panel (Notification Panel can now be customized)
- Brightness Slider in Notification Panel Can Now Be Disabled
- Smart Rotation (Screen Display adjusts to your angle of sightings)
- Continues Input in Samsung Keyboard (Like Swipe or Android 4.2 Keyboard)
- Paper Artist App
- Group Cast App

Late last month, an XDA developer leaked the Android 4.2.1 Jelly Bean test firmware for Samgsung Galaxy S3 which was received by many people.

There are also rumors that Samsung will be releasing the Android 4.2.2 Jelly Bean update somewhere after the release of its upcoming smartphone Galaxy S4.

As the release of Samsung Galaxy S4 around the corner, we are still not sure that the rumors are talking about the unboxing event or the actual public release.

However, as the report of Android 4.1.2 Jelly Bean update comes from highly reliable source, you should keep your Galaxy S3 device ready for update and keep checking the update OTA.