A very nice share from Xuan69, here’s a video tutorial (Angličtina) for updatingtheHDC Galaxy S3 EX/Star B92M to Android 4.1.2 Jellybean. The video will also teach you how to root the device, and apply GPS fix. This is a really great stuff for those who own this phone, enjoy!
For a refresher, theHDC Galaxy S3 EX and the Star B92Mare very much similar to each other. Both arereally close S3 knock-offs, featuring 4.7 inches screen with 1080×720 pixels in resolution. This JellyBean update adds the support for the following languages: bahasa indo/melayu, deutsch, angličtina, espanol, francais, italiano, netherlands, portugues, brazil/portugal, turkce, puccknn and other asian languages.
All the files you need can be downloaded fromthis link, its a 400MB archive hosted on torrent.
Some reports say that after they had used this JellyBean firmware update on their phones with 1GB of RAM in configuration, the phone wont recognize that amount of RAM. There is already a support-discussion about this phone uniton XDA-forums. Here’s the tip to get the 1GB of RAM fully working: