I have 2 lines and 2 devices both have connect plus. I think you can have 2 devices with this one. iPads and watches can be connected with the main line but you can add an extra line and share as well if both lines have connect plans.
I got my card but it’s not 500 anymore it’s 400 now. So maybe COVID is delaying it. I’m sure they will send you another one if you call loyalty cause that’s who I called to get mine. Try them and see if they will send one to you.