Before you sign up VIVIFI Help March 22, 2021 08:05 Updated Requirements to sign up for VIVIFI plan Which mobile network is VIVIFI on? 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 Which mobile network is VIVIFI on? How much does it cost to sign up for a new VIVIFI plan? Is VIVIFI Mobile Plan a contracted mobile plan? Promotions