The following instructions are for setting up G Suite Mail on IOS11.  Previous IOS version will have a slightly different menu options to access the email account configuration in settings however the server address etc.. are still the same.

  1. Tap Settings
  2. Tap Accounts & Passwords
  3. Tap Add Account
  4. Tap Exchange
  5. Enter your email addres and tap next
  6. Tap Configure Manually
    Under Server enter m.google.com
    Leave Domain Blank
    Under Username enter your email address
  7. Tap Next
  8. Make sure all the sliders are green and set to on, tap Save