The following supported devices have been certified to work with the mobile apps: Apple iPhone 6, 6 Plus, 5 and 5S running iOS 7, 8 or 9; Android Galaxy S5, Galaxy S4 and Galaxy Note 3 running Jellybean 4.2 and KitKat 4.4. Technical assistance is available for these devices if troubleshooting is needed.
The following devices are expected to compatible but have not been fully certified and troubleshooting assistance is not available: Apple iPhone 4, 4S, 5C, 6S and 6S Plus; Android Nexus 5, Galaxy S3, Galaxy Note 2, Galaxy Epic 4G, Evo 4G, Thunderbolt 4G, HTC One, Droid Razr, Razr HD and Razr M.
Your device performance will vary depending on operating software, service carrier and any user modifications (i.e., third-party operating software). Please check back often as the list of supported devices will change based on user demand.