My Apple Ipad 2
I have changed my Apple ID and password. However, the Apple ID on my iPad 2 is different. How do I change the Ipad to the new Apple Id in my Ipad 2?
iPad 2
Unless you have an explicit reason to do so, changing your AppleID might not have been the wisest move - as, amongst other things, any purchases you have made are irrevocably tied to your AppleID. Changing to another AppleID will loose access to them all - and perhaps cause you all kinds of pain and future difficulties with Activation Locks. It can be done, but you need to fully understand the implications of doing so.
If you needed to change the Primary email address associated with your AppleID account, you can simply change it within your account:
Here are some additional sources of information:
https://support.apple.com/en-us/HT202667
https://support.apple.com/en-us/HT204071
