How old do you have to be to have your own plan?
Best answer by matesny
According to this paragraph on T-Mobile Terms and Conditions
When you accept, you're telling us that you are of legal age (which means you are either legally emancipated, or have reached the age of majority as defined in your jurisdiction) and that you are able to enter into a contract.
one must be of legal age to get any sort of plan under his or her name.
To my understanding, this Terms & Conditions apply to any relationship with T-Mobile and its customers along with seperate Terms & Conditions for each type of relationship.