Q: I have recently changed my email address and therefore had to change my password on itunes but it has not updated on my phone... it still has old apple ID (email add) but neither old or new password will work on my iphone and wont let me change it on phon

Q: I have recently changed my email address and therefore had to change my password on itunes but it has not updated on my phone... i ... I have recently changed my email address and therefore had to change my password on itunes but it has not updated on my phone... it still has old apple ID (email add) but neither old or new password will work on my iphone and wont let me change it on phon more