This Guide will help you how to download and install Cosmic Rom On your Samsung Galaxy Core Dous. This rom is darkly themed for
betyer battery performance and also its
ram usage is very less.This is
best custom Rom for galaxy core dous.

Requirements -
1. You must have Custom recovery installed on your device
2. Make Backup of your current rom before flashing this Rom via Custom Recovery.
Installation -
1. Download the Cosmic Rom from below
2. Save it to your sd card
3. Boot to cwm mode
4. Note - Make a backup
5. Wipe data / cache
6. Install zip from sd card
7. Select Cosmic Rom