With the purchase of a qualifying plan, T-Mobile offers its T-Mobile Postpaid 3-In-1 SIM Starter Kit for free with free shipping. It allows you to use a compatible unlocked phone or tablet on the T-Mobile network. It includes a nano SIM card with micro and standard adapters. Deal ends August 31.
T-Mobile offers a selection of its T-Mobile Prepaid Phone SIM Card Activation Kits for 99 cents via coupon code "SIM99". Also, free shipping applies. These SIM cards allow you use compatible unlocked phones on the T-Mobile network. Deal ends August 31.