Hi, yes you need to generate an offer code. Please follow these steps: download MyJio app >Open MyJio app >Click on ‘Get Jio Sim’. (Customers can select State & City from the dropdown, if their location is not coming by default) >Enter your details and tap on Generate One Time Password >Enter the OTP which you will receive on your number and tap on Submit (If you are generating the code from 4G/LTE device, then you have to Install the Jio4GVoice app post submitting the OTP, after successful installation user will be able to view an offer code) >Post clicking on Submit, the Offer Code will be generated and you can check on the screen – Faiyaz