How to Remove Profiles from your iOS Device
Most issues encountered when dealing with the mail app on an iOS device can be resolved by removing and re-installing your current profile. This guide will show you how to remove your profile so that you may re-install it.
To begin, select the Settings tab on your device's home screen.
Next, select the General tab on your device's settings page.
Select the Profile tab. You may need to scroll down to find it.
Select the Remove button underneath your email address.
Your device will then make certain you want to remove your current profile. Select Remove once again. Your profile should now be successfully removed from your phone.