Easygo Wireless GSM Sim Card Starter Kit with 100 minutess Included AT&T Network Prepaid - Lowest Rate Nationwide, No Contract EasyGo 3-in-1 SIM card Starter Kit - works as Mini (Standard), Micro, or Nano Size. You must activate under the PayGo (Minute) plan in order to get the free $4.99 (worth 100 minutes) balance. Once you activate under the PayGo plan, just insert the SIM card in your phone and make a call. You'll hear a greetings, and the call will go through. The free $4.99 balance will be good for 30 days once you start making a call. EasyGo PayGo plan details: Talk/Text/MMS: $0.05/minute(each), Data: $0.10/MB, Int'l Talk: No additional charge to 60+selected countries (landline only). Balance expires after 30 days from the recharge. Refill instruction will be included in the package. $20 Unlimited Plan also available (You must purchase $20 plan recharge separately): Unlimited Talk & Text + 100MB Data + Unlimited International calls to 11 countries - including Mexico Mobile to Mobile calls! To make an int'l call, just dial 011 + country code + area code + int'l phone number (Direct Calling Feature). Direct Calling Feature may not work on some phone models. In this case, dial a special access number: 1-951-489-5089, then dial 011 + country code + area code + int'l phone number.