You must check the auto-sync is on. Also, you have an option to automatically on the sync process click on the auto-sync option. Ensure that your internet connection is working properly. And you need to check whether you are having account problems. Now, you need to check android updates. To get further information, join Verizon Customer Service. By joining the support executive team you can get best. contactcustomer-service.com/verizon-wireless-customer-service-phone-number