I can't buy more storage for mi iPhone
I can't buy more storage for my iphone and itunes tell me that I have to call ITunes Support
I can't buy more storage for my iphone and itunes tell me that I have to call ITunes Support
If it tells you to contact iTunes support, then that is what you should do.
You cannot buy additional storage for your iphone at all. You can buy iCloud storage, but that does not give you any more storage on your iPhone.
I can't buy more storage for mi iPhone