What are the requirements? You’ll need ALLO service, a direct telephone number, an Android or Apple Smart Phone, Tablet, or PC, and LTE or WiFi service. Not the solution you were looking for?Click the link below to submit a support ticketSubmit Ticket Updated on July 3, 2019 Was this article helpful? Yes No Related Articles How do I download the app? What is the cost? What is WiFi Calling?