Hi. This is Arianne from NET10 Wireless. Our Data Only Plans do not come with service days. In order to activate the phone, you must purchase a plan that includes service days. You can choose from $20 Plan(1GB), $35 Plan (4GB), $40 Plan (8GB), $50 Plan (10GB), $60 Plan(12GB) and $65 Plan (10GB plus unlimited international calling). All of these plans include unlimited nationwide talk and text with a fixed amount of data for 30 days. Thank you for your inquiry.