To cancel your account with T-Mobile, call customer service or live chat with a T-Mobile representative. Phone numbers for customer service are available on the T-Mobile contact page. Access to Live chat is also available on the contact page.
Early termination fees vary depending on the days left in your contract. No early termination fees apply if you cancel your contract within 14 days of service activation. T-Mobile users must return their T-Mobile-provided devices in undamaged condition, along with their original packaging and all included components. Penalty fees may incur if users do not return their T-Mobile devices if they're returned in poor condition.