I upgraded now line only, it said to work at full capacity I should chose a 5g plan. So I wanted to change just that line and it wouldn't let me.I had to do it for each line, so I chose the plan that was the same price, thinking it was the same one. Now the other lines don't have hotspot and I need my hotspot at work since using their wifi blocks a lot of sites. Now im being told I can't go back but the app wouldn't let me pre order without switching plans. On the chat I was told it wasn't possible. Has anyone been able to get their grandfathered plan back. I was told I have to pay more and it is not my fault the app wouldn't let me proceed with the same plan.