How to factory reset an Android phone

Smartphones are now in the hands of everyone.
 However, this is a smartphone's paradise or pattern for security.
If this is what you forgot your pattern lock. 
What to do? 

Many people go to mechanic, But the problem is solved in your hands.
Let's know today what to do if the smart phone's pattern is locked.
If you forget the pattern lock, you can open it in this way-

1) Switch off your phone first.

2) Now press the volume button, power button and home screen button simultaneously.

3) Now you will see 5 options on the screen.

4) Now choose among the 5 options wipe data / factory reset option.

i) Reboot data.
ii) Wipe data / factory reset.
iii) Install update
iv) Power down.
v) Advance option.

Then press yes. But before selecting yes, remember that all the data before your phone will be deleted.
 So always keep a back-up, so that if any of the important data is lost in such situations, then it will not be lost.

5) Now your phone will be restarted automatically. After restart you can use your phone again as before. And you can lock the new pattern.
 This is the best today. In the future I will be present with some more new tricks!!