How to Speed Up your Android Phone ?
Step 1: Open Play Store App on your Phone.
Step 2: Type "The Cleaner" in search box.
Step 3: Download and Install it.
Step 4: Open the App.
Step 5: Click on "Analyze", it will tell you How Many MBs are recoverable.
Step 6: Click on "Clean" button to free the memory.
After, you done Cleaning Memory and storage, you will see some boost in your Android phone.
It's done.