How To Speed Up -:
1. Think about using a different launcher Think about using a home alternative.
2. Lower your settings on your phone.
3. Turn off the animations on your Android Settings > Display > Animation.
4. Disable the plugin browser Open Browser > Settings > Plugins
5. Do not use live wallpaper
6. Clear out your apps every now and again
7. Replace your heavy apps with lighter ones
8. Remove or turn off background apps