A new firmware update I9300XXEMR2 is now available for Samsung Galaxy 3 Germany users. Dated February 4th, it appears to be the latest Jelly Bean 4.1.2 I9300 update. Released for Vodafone Germany users, this firmware update can now be download and installed on I9300 device of yours. You can find the details and the direct download links below:
Version: Android 4.1.2 Jelly Bean
Regions: Austria, Belgium, France, Germany, Hungary, Italy, Spain, United Kingdom
Download & Install Galaxy S3 I9300 XXEMR2 4.1.2 Jelly Bean Update
Direct download link: I9300XXEMR2_I9300VFREMA3_VD2.zip
After downloading, extract the zip file to get firmware (.tar.md5) file. This file can then be flashed using Odin. If you are familiar with Odin, you can just download Odin3_v3.04.zip and use it to flash the ROM. We have also published a detailed tutorial for users who are new to Odin. So, if you need help, you can follow the guide we posted earlier that is linked below.
For a complete step by step guide, please head over to: Tutorial to install stock ROM using Odin.