Changing a feature like data wouldn't effect how long your contract is.
But if you changed how many minutes you have or went to a different rate plan for full unlimited or the like that will do it since you are changing your rate plan.
Changing a feature like data wouldn't effect how long your contract is.
But if you changed how many minutes you have or went to a different rate plan for full unlimited or the like that will do it since you are changing your rate plan.