If you are planning on changing your plan beware. I have changed plans on two of my cell phones on my account. If you are going to change plans find out what your pay cycle dates are. I changed mid cycle and charges on both phones ended up more than the plan was or is. I was charged with over usage on unlimited plans. Both phones ended up with charges higher then the plan even though there was no over usage. I even made changes online to save service charges.
I phoned and had the data and phone usage credited back, but not the over plan charges returned. I had no luck explaining to the customer service rep in Romania that there should be no way my charge for these two phones should be more than the plans before or after the change with no extras charged (data, usage, long distance, etc)
What I took out of the conversation is that this is normal if change is made mid pay cycle. The charges are under $20 for each phone, not crazy but as our phone charges are way to much as is that money is better in my pocket than theirs.