Anything I input on To Do on my Mac never shows up on my iPhone, but once I include an update on the iPhone, it syncs with Mac & overrides all the updates I had input on the Mac. That is, the iPhone invokes a true sync, but the Mac doesn’t. Any clues please?

​Anything I input on To Do on my Mac never shows up on my iPhone, but once I include an update on the iPhone, it syncs with Mac & overrides all the updates I had input on the Mac. That is, the iPhone invokes a true sync, but the Mac doesn’t. Any clues please?  Read More

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