Solavei Mobile Service works on the backbone of T-Mobile. $49 per month Unlimited Talk, Unlimited Text, Unlimited Data (up to 4 GB), No Contract (Month to Month), No Deposit, No Activation Fee, Bring Your Own Phone, $9.00 one time cost Sim Card, and.......... recommend friends and neighbors and receive a commission on their services. Refer 9 new customers to Solavei and your service is FREE. Available Nationwide, International Calling Available. Visit website for additional information.