There are several features that come equipped with the one gigabyte Gmail account. What are they good for if you do not know how to use them or do not know they exist. This Gmail features tutorial will aid you through the discovery and/or help of the several Gmail features.
To add Gmail account to iPhone you need to open Gmail app in your iPhone device. In front of your top right corner , click on your profile picture and click add another account. Select the type of account and follow on-screen steps.