Apple ID and changing it
I Recently change my Apple ID as I was unable to see any confirmation of any purchases with email Acc I signed up with now I M unable to save any changes I make in my addresses calendar up date any of my current apps. I have as iPhone 5 c, version 8.4 & 5.2g. I have tried to use my old Apple ID but my phone doesn't recognise the message I keep getting identification or password incorrect try again!! Is there anything I could do to fix this apart from getting a new phone !!!!
iPhone 5c, iOS 8