We'd recommend that you to just install iTunes on your phone yourself and tell the carriers to get bent, but the carriers are already working (or already have in some cases) on locking down smartphones so you can't install new applications on them yourself and instead have to do everything through them.
The break-up text is only this much more noble than ghosting on someone you're dating, letting the silences grow longer and longer until you can tellyourself it was a mutual separation and then scuttle into the night like a cowardly cockroach.