Unlimited Talk, Text, and 4G data from T-mobile Upon receiving the sim card, we will activate for you a $80 T-mobile service for 30 days of unlimited talk, text, and 4G LTE (with 5GB of mobile hotspot). You could either get a new phone number or port a phone number from an existing service provider. Current T-mobile customers will get a new phone number. All sales are final: this product is non-returnable and non-refundable. You will receive a micro SIM card free upon payment. Require an unlock GSM phone, such as iPhone4, iPhone4S, etc.