My Ginger was like that. This is the honest truth. One day the right side would be up and the left side down. This went on back and forth for about a month. I did completely shave her whole ears and tape them. This must have worked because both ears are standing very nicely now. But as you know there is more to your furbaby than just ears. Remember:
Ears up, or ears down,
Your Yorkie is the best around!
Donna and Ginger