A SMARTY pay as you go SIM card now gives you more freedom than ever! Enjoy the flexibility of a pay as you go SIM with all the benefits of a SIM only contract. Why choose a SMARTY PAYG SIM? No contract. no credit check 1 month plan so you can cancel anytime Unlimited calls and texts Unrestricted tethering in the UK Fast 5G. 4G and 3G data How to use your new SMARTY SIM card: 1. Order your PAYG SIM 2. All SIM cards come in 3 different sizes and will fit all handsets. so just select the correct size and insert the SIM into your phone once it arrives 3. Once inserted. youll need to activate your SIM by following the enclosed instructions. Youll know that your service is live when you see the signal bars appear at the top right of your phone screen 4. Top up your account and purchase one of SMARTYs bundle plans. You can do this online.via the app or in-store via PayPoint