JUST GO TO
http://accounts.google.com
then Sign in with your email id and password
now you can see a box about your personal details .Look for "Phone and Email"
there will be a edit button on the box. just press edit thus you will get a personal details window
and again there will be your old mobile number and press EDIT. Put your New Number and verify.
http://accounts.google.com
then Sign in with your email id and password
now you can see a box about your personal details .Look for "Phone and Email"
there will be a edit button on the box. just press edit thus you will get a personal details window
and again there will be your old mobile number and press EDIT. Put your New Number and verify.