Yes it is free to call a prepaid T-Mobile phone from a T-Mobile phone but instead of worrying about the bill just change the plan to a unlimited plan.
You call or contact your local T Mobile phone office and ask them to change your service plan.
it charges your phone company then your phone company turns around and charges you on your bill so your paying for it in the long run
That depends on your operator ! Here in the UK, Three mobile's pay-as-you-go plan charges texts at 2p each !
If your phone plan includes mobile to mobile calling it does. If you're using prepaid it generally won't unless your on the $1 a day mobile to mobile plan.
A mobile phone carrier is what company u have your phone plan under. It can be t-mobile, cingular, ATnT, and others.
Virgin Mobile, T-Mobile, and Boost Mobile all have a mobile pay as you go plan. Sometimes, it can be better than a cell phone plan because you only pay when you use it.
That depends on your mobile data plan.
Only by contacting your cell phone operator you can change or cancel your plan. Once your plan is cancelled you have two alternatives. Ask your current mobile phome operator for another plan, or then move onto another operator whose plan fits better to you.
The phrase "SMS charges" refers to additional charges for text messages. If you don't have a messaging plan as part of your cell phone plan, you could be charged additional SMS charges.
Hell no !
Cell phone companies that offers unlimited mobile data plan include Boost Mobile and Cricket among select others.