Even though I did not purchase this here on Amazon I thought I would relate my experience with the GoPhone Sim card and $45.00 plan, first off I had originally purchased the $45.00 T-Mobile (Walmart Special) start up kit here on Amazon and it turned out to be a total disaster, I had to drive 10 miles in order to get one (1) bar in order to use my new LG G4, so I sent it back and went to Wally World and purchased a Straight Talk plan, and 8 hours of one after another non English speaking or understanding customer service people I finely returned the kit to WM and purchased the GoPhone kit and $45.00 plan, and within 15 minutes of installing the sim card and battery and powering up my phone the GoPhone (AT&T) self install the necessary software updated the APN settings automatically, I then entered the $45.00 number and within 10 seconds I had my new phone number and 4G LTE service, Yea it was that simple