Recently one of my friends asked me how to access Gmail from his iPhone. The following article explains how you can access Gmail from your iPhone, easily and more conveniently than from Safari.
Step 1: Login to your Gmail account and ensure you have enabled IMAP feature. To do that, click on Settings then Forwarding and POP/IMAP tab and under IMAP Access- Ensure it is enabled as shown.
Step 2: On your iPhone, Click Settings and scroll down to Mail, Contacts, Calendars tab.
Step 3: Under Accounts, click Add Account...