Android is one of most used open source mobile operating system. In fact it is one of the best mobile operating system. Almost every 3/5 people has and phone working on Android operating system. Due to lack of RAM and processor , some of the android phone are very slow so here are some of the tips to increase the speed of android without rooting.
LESS NUMBER OF SHORTCUT IN HOME SCREEN
Many of us have a habit of keeping much app shortcut at home screen but this may slow your android phone. The size of the wallpaper will also slow your phone. If the size of your wallpaper is more than 1.5 MB it is not good. You should keep it small.
DON'T KEEP UNWANTED APPS/GAMES
Remove and uninstall the apps apps and games which you don't use and don't play. also disable some inbuilt apps which you don't use and which are not necessary for your android mobile.
FREE INTERNAL MEMORY
Internal memory helps your mobile to speed up so move the apps and your other to SD card and free the internal memory
INSTALL ANTIVIRUS AND CLEANER APPS
Anti virus keeps your system protected and cleaner apps cleans the junk files of your system and it will speed up your android smartphone.