You can change the Apple ID connected to your iPad or change your Apple ID address on Apple ID's website in a few quick steps ...
To remove your Apple ID from an iPad, you'll need to go into your Settings app and navigate through your Apple ID menus, or ...
To start using a brand-new Apple device — such as an iPhone, iPad, Apple Watch, Apple TV, or Mac computer, among others — you need to set it up using an Apple ID. This pertains to your personal ...