Reset to factory defaults from the hardware

In your Android device Smartphone is most important element in your daily life.And you set up many apk(software) file for your need.So that,s way your smartphone can be slow or hank. At this time you decided to resat your phone and erase all data from your phone . But how you do this ? Now I share you how you can do this by using very easy way.

Step 1
From power off, hold the VOLUME UP key while holding the POWER button until the recovery menu appears

Step 2

Use the VOLUME DOWN key to scroll to wipe data/factory reset and tap the POWER button to select
  

Step 3 
Use the VOLUME DOWN key to scroll to Yes - delete all user data and tap the POWER button to select.

 Step 4
Tap the POWER button to select reboot system now .