Can't send separate Notifications to 2 android phones with same Model number

I have 2 Samsung SM-G950U phones. Mobile App on HA shows both phones. When I try to send a notification to it only shows the notify.mobile_app_sm_g950u service which sends it to one of the phones.

I have tried tried changing the Device Name for each phone to be unique. But it seems the notification service is at the Model level.

I have seen a lot of questions on this type of problem, but am not yet able to see a notify service that selects one or the other separately.

These are my current versions:
Home Assistant 2023.4.5
Supervisor 2023.04.1
Operating System 9.5
Frontend 20230411.1 - latest

Thanks for any help you can give me.