If you think your phone is getting slower after using months and if you bored with your slower Android then don't worry here's the method that help you speed up you Android, remember that 'you don't need to root your Android'
CLEAR ALL APPLICATION AND SYSTEM'S CACHE:::
First of all you need clear all your cache memory from your system to boost your Android. A cache memory usually refers to a storage area in the phone that stores all copies of information because it can be accessed faster but it useful only in that time when you're doing multitasking otherwise when you close all your apps the cache memory still store in your internal storage, that's why your internal storage has get full early and phone become slower.
MANAGE YOUR INTERNAL STORAGE:::
In every smartphone its has internal storage itself. It is the memory that an Android used to store all the data and application in it, so you have to care about internal storage and manage it, if you do that it will help to Android run smoothly.
INSTALL ONLY NEEDED APP AND INSTALL THAT YOU DON'T USE:::
We have installed a lot of application in our smartphone, out of this app we use some apps and some we don't. Actually we forgot to uninstall after using application. In that case these application use our mobiles internal storage & running background themselves and increasing the RAM uses that's why our mobile start lagging and become slower. So if you have that types of application in your phone and not using then unistall them right now..
REMOVE UNNECESSARY WIDGETS:::
A widgets is a simple application extension that is often part of a large application already installed on the device. it's help you access your app faster but it's using lots of RAM memory. so if you have a necessary and an use widgets on your home screen then remove it for help your phone running fast and smoothly.
UPDATE YOUR ANDROID RECENTLY:::
New update on Android always comes for fix all the previous bugs and help your Android performs better. so it's good to upgrade your Android to the latest version of Android respective firmware.
REMOVE ALL THE RUNNING APPLICATION IN BACKGROUND:::
If you are using only limit apps and not doing multitasking, then remove all background application. because the background application are using the lots of RAM memory and RAM is responsible for the Android performance or every running process works on the RAM memory. so it's better to close all the apps running in the background.
These are the some basic tips to boost your phone. You can also increase the windows animation & transition scales on your Developer option in the settings. And you have to do Reboot your phone timely for clean all saved junk of the app,i helps phone to run smoothly....