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
Downloads:
1. Ultimaromv16.zip
Installation:
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