Before you sign up VIVIFI Help February 25, 2021 01:03 Updated Requirements to sign up for VIVIFI plan Is VIVIFI mobile plan a contracted mobile plan? How much does it cost to sign up for a new VIVIFI plan? What is the billing cycle for VIVIFI mobile plans? When will I start getting charged for my VIVIFI mobile plan? SIM card size Available Delivery Options Related articles Requirements to sign up for VIVIFI plan Is VIVIFI Mobile Plan a contracted mobile plan? When will I start getting charged for my VIVIFI mobile plan? How much does it cost to sign up for a new VIVIFI plan? SIM Card Size