Note:- this trick is working in 2.2.+ android
step 1 :- first download oneclickroot
step 2 :- install oneclickroot in your computer , and run it .
step 3 :- if oneclickroot is show adb missing than install it from here Download
step 4 :- connect mobile phone to computer and allow usb debugging in mobile phone
step 5 :- just click on root now button , and wait few minutes.
note :- in case of phone not rooted than visit oneclickroot
Root any android phones