I am on the 199 postpaid plan and it's been working well. The 25 GB data is more than enough for me too. If I move to 399 plan, I will not be able to go back to the 199 plan right at a later time?
Also if the data can't be shared with the family connections, it doesn't make sense at all.
Also if the data can't be shared with the family connections, it doesn't make sense at all.