This Kit is designed to enable you to activate the $30 plan or use it to add it to any plan</br>Works with ANY UNLOCKED Compatible GSM PHONE</br>T-Mobile Sim Starter Kit Unactivated "Regular/Standard" Size for for older cellphone models. Not compatible with most modern phones such as iPhones?? Samsung "alaxy series" phones?? nor others. Please contact seller BEFORE buying if you are unsure of what "ize" sim card your phone requires</br>The $30 Plan Does not work with WIFI HOTSPOT</br>Not compatible with WIFI HOTSPOT</br></br>Product Description</br></br>Works with ANY UNLOCKED Compatible GSM PHONE <br /> <br />T-Mobile Sim Starter Kit Unactivated "Regular/Standard" Size for for older cellphone models. Not compatible with most modern phones such as iPhones?? Samsung "alaxy series" phones?? nor others. <b>Please contact seller BEFORE buying if you are unsure of what "ize" sim card your phone requires</b> <br /> <br />The $30 Plan Does not work with WIFI HOTSPOT <br /> <br />Not compatible with WIFI HOTSPOT</br><br/>http://www.amazon.com/gp/product/B00XNTXJE44ynt