How to turn off push mail on iPhone to optimize battery performance

Here are the steps to change push mail settings on your iPhone. Disabling the feature makes the phone receive messages based on global fetch setting, thereby enhancing its battery immensely. Content in this video is provided on an "as is" basis with no express or implied warranties whatsoever. Any reference of any third party logos, brand names, trademarks, services marks, trade names, trade dress and copyrights shall not imply any affiliation to such third parties, unless expressly specified.