Can I change my date of birth once set in Pokémon Café Mix? Pokémon Support November 23, 2020 03:36 Updated Follow No, you can’t change your date of birth once it’s been set. Can’t find what you’re looking for? Click here to submit a service request form. Related articles Can I transfer save data from the Nintendo Switch version of Pokémon Café Mix to the mobile device version? How do I transfer my Pokémon Café Mix save data to a different device? Pokémon Café Mix troubleshooting How do I update Pokémon Café Mix? Why can’t I use the name I want in Pokémon Café Mix?