Q: How to change iCloud email address on iPhone 6

Hi DrTruck,

Thanks for using the Apple Support Communities! I'm sure we can help you out with your question, or at least get you pointed in the right direction. I'm a bit unclear on exactly what you are looking to do, but if you are trying to sign in with a different Apple ID on your iPhone, you may find the information and steps outlined in the following article helpful:

Sign in with a different Apple ID on your iPhone, iPad, or iPod touch - Apple Support

Regards