The rom is based on Android 4.4.4 KitKat so you have to Install recovery according to it ( Latest recovery ) .
Here are some features of YunOS -
- Simple and beautiful interface
- Life center is available for help and services
- Cloud service
- Themes support
- Brand new experience
Here are some Screenshots of YunOS -
How to Install YunOS on Samsung Galaxy S3 i9300 -
Step 1. - Download The rom from below .
Step 2.- Boot to your recovery mode .
Step 3.- Select Clear data and clear cache .
Step 4. - Select Install zip from SdCard and select YunOS zip file .
Step 5. After installation completes , just reboot your phone .
Download YunOS for Galaxy S3 I9300 from Here
Give reviews below and if you find any problem comment below .