Samsung recently launched Galaxy Grand in India and other countries. It runs can run mighty fast but sometimes there are certain things that might have bogged down the system. Here are few steps on how to make it fast and extend its battery life.
1. Install Nova from Play market and use the fastest setting for transitions. Turn animations off.
2. Do not use live wallpapers
3. Turn down the brightness and Wi-Fi
4. Install juice defender and use 3G only when required.
5. Do not use a lot of widgets on the screen