Enable Google Sync On Gmail Account -

Enabling Google Sync is the single easiest way to stop managing your technology and start letting it manage your schedule for you. Set it once, forget it, and enjoy the harmony.

If your emails aren’t showing up, check these three things: Enable Google Sync On Gmail Account

Toggle on the services you want (Gmail, Calendar, Contacts, etc.). On iPhone (iOS) Enabling Google Sync is the single easiest way