True Unlimited High-Speed Data at 4G/LTE speed on T-Mobile Network in USA. Unlimited calls within the USA, International texting and personal hotspot at 3G speed. Calls, texting, and data can also be used in the USA, Canada and Mexico. The activation takes up to 2 Hours. Please ensure that you request activation through us (seller), not to T-Mobile. The SIM card does not work before it is activated. 4G LTE unlimited talk, text and web with new number included. Please ensure that you have unlocked cell phone to enjoy our product. This is a NO contract prepaid service. Unable to refill or extend after the specified period. The SIM card comes with regular, micro and nano size. Send us amazon message when you receive the item and then we will activate the service for you within 48 hours. If you are with T-Mobile, you cannot keep your current number. Existing T-Mobile phone number cannot be transferred over to this item. This is a new activation only service, NOT a refill item. Please note that the activation will occur on the requested first date of usage before 12:00 PM (PST).