Many of our customers go straight to a T-Mobile store and pay up to $70 for the wrong plans that don't work with our watches, like the incorrect "wearable" "digits" "MI" plan. TickTalk does not with those plans. That is why we put the SpeedTalk SIM in the watch’s package. The service plans start as low as $5 for 250 talk, 250 text, and 250MB of data. The SpeedTalk uses T-Mobile networks so you get the same coverage. There is no reason to pay extra with T-Mobile! You can set up your plan online, in 5 minutes, with SpeedTalk. Please read the Quick Start Guide for more instructions on setting up. Or just take the SIM card and go to www.activatespeedtalk.com.