Ultima ROM is a 4.3 Jellybean Based ROM specailly developed for Samsung Galaxy S3. This ROM has many features such as Custom Launchers, OTA Updates, Stock Android UI etc. This is a unique and beautiful ROM for your Samsung Galaxy S3, so Get ready to Flash Ultima ROM For Samsung Galaxy S3 GT-I9300.
Before You Begin: (must do)
1. First Flash A Custom Recovery on your device go to: How To Flash CWM Recovery On Samsung Galaxy S3
1. Download the above ROM zip file.
2. Move the file into the internal storage of device.
3. Reboot your device into recovery mode.
4. In Recovery mode: Wipe data/system cache and Factory Reset.
5. Now tap Install zip from sdcard > Choose zip from sdcard and find the ROM zip file and tap that file then tap Yes for Installation. During installation a menu will open then choose the right options what you want to install and proceed to install.
6. After installation of ROM then Reboot your system. & Enjoy The ROM
Ultima ROM For Samsung Galaxy S3 GT-I9300