Today, Samsung has releases another new version of Android 4.1.2 firmware for international Galaxy S3. This official firmware version I9300XXEMR2 is for improve the Galaxy s3 GTi9300 stability and fixed some minor bug. If you are from Western Europe, then I think you will get the update notification on your S3. But if your phone was rooted or running unofficial firmware, then you may not get the notification or OTA update.
Regions: Western Europe
The step to flash firmware into Galaxy S3 via odin is simple and easy. But, before start the flash firmware process, please make sure that you have backup all the important data. Then make sure that the firmware is compatible to your phone model and the firmware is support your region Network. You can check your phones model version at your phones settings> about device. The firmware I9300XXEMR2 is for Österreich, Belgien, Frankreich, Deutschland, Ungarn, Italien, Spanien, United Kingdom (Western Europe). Below is the summary of the region code:
BD = Cyprus, Griechenland
BH = Mitteleuropäisch
CE = Niederlande, Belgien
CP = Finland
DB = Vietnam
DC = Thailand
DD = India
DT = Australien
DX = Indonesia, Malaysia, Philippines, Singapore, Vietnam
DZ = Malaysia, Singapore
JA = Süd Africa
JC = Algeria, Morocco, Nigeria, South Africa, Tunisia
JP = Algeria, Egypt, Iran, Iraq, Kuwait, Morocco, Nigeria, Oman, Pakistan, Saudi Arabia, South Africa, Syria, Tunisia, Turkey
MT = Schweiz
PO = Frankreich
XA = Österreich, France, Italien, Schweiz, Niederlande, England
XB = Dänemark, Schweden, Norwegen
XC = Portugal, Spanien
XD = Croatia, Czech, Hungary, Slovakia
XE = Bulgaria, Estonia, Kazakhstan, Latvia, Lithuania, Russia, Ukraine (Eastern Europe)
XF = Bulgaria, Croatia, Romania
XG = unter anderen Deutschland
XX = Österreich, Belgien, Frankreich, Deutschland, Ungarn, Italien, Spanien, United Kingdom (Western Europe)
XP = Europe (English, German, French, Italian, Spanish, Nederlands, Polski, Portugues and Turkish)
XW = UK, Italy, Germany, France, Australia, Netherlands, Belgium, Switzerland
ZC = China, Hong Kong
ZH = Hong Kong
ZT = Taiwan
Disclaimer: Manually flash firmware into Android phones may void the phones warranty and has the risk that cause your phone brick. Do not unplug the USB connection from PC during the firmware flashing process. Tutorial below is only for your reference and do it on your own risk.
Step 1: Download Android 4.1.2 I9300XXEMR2-1359696036.zip, then unzip the file. You will get I9105PXXAMA2_I9105POXXAMA1_XEO .md5 .
Step 2: On your computer- desktop or laptop, Open Odin 3.04 (Download Odin).
Step 3: Go to settings > Developer Options to enable your phone debugging Mode. Then turn off your phone and then turn your phone in download mode by press (Home+power+vol down) button.
Step 4: Connect phone to the computer and wait until you get a yellow sign in Odin.
Step 5: Add Android 4.1.2 I9300XXEMR2-1359696036 .md5 to PDA.
Step 6: Start flash, sit back and wait a few minutes.
Step 7: Galaxy S3 GTi9300 will automatically reboot once installation complete.