Connect another iTunes my iPhone 11

Hey bakrin001,

If you're referring to using two different Apple IDs for the iTunes Store or Apple Music on the same device, that wouldn't be an option that is available as only one Apple ID can be used at a time on a device for purchases and subscriptions. You can find more options on viewing and managing iTunes Store purchases and settings here: Manage your iTunes Store purchases and settings on iPhone

If that doesn't help, you may want to provide some additional details about the situation.

Are you wanting to download purchases made from a separate Apple ID or use a subscription from another Apple ID? Or something else?

Thanks!