Q&A: Sharing a T-Mobile Contract & Getting a New Phone?

Question by Paloma F: Sharing a T-Mobile Contract & Getting a New Phone?
My dad and I have cell phones on a family plan. He has a line and I have a line. For whatever reason this was the easiest way for me to get a phone and has been great for the past two years.

Unfortunately, today my phone broke in half and I need a phone ASAP. I called my dad to let him know I was getting a knew phone and he told me that I could get a new phone but that I could not extend his contract.

I was under the impression that each line was a separate entity and that if I extended my service to get a good deal on a phone it would not affect his contract.

How does this work? This is the first time I've ever

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