Webjun 4, 2013 · first call straight talk and see if the phone is compatible on their network. Next, i would call us cellular/sprint. They can give you the unlock code, and i believe. Motorola samsung lg nokia. Webwe have been using straight talk for a little while now and we had cricket before , depending on which one picks up better in your area both are good and don't require a. Webstraight talk has been awful. Webi get 4g lte better than i did with sprint. Overall, good service…