Trying to backup iPhone 6S Plus
I can't seem to backup my phone to iTune or iCloud. Several years ago when I set up my iCloud account I set up a new email account that I no longer have access to and I can't seem to update to a new iCloud account because I can't remember the password to the old account. I'm trying to download text messages and photos from my iPhone 6S Plus to my Windows PC (or to the iCloud) so that I can use a 3rd party app to access my saved text messages. None of these 3rd party apps will work unless I am able to backup my phone, I can't seem to do that without access to my iCloud account (I have access to my phone and the App store, but that's because I set those up with a different email account)
ANY HELP WOULD BE APPRECIATED....