Bluechain is supported on:
iOS version 12.0 or later
Android version 5.0 or later
What's the OS version on my phone?
iOS (Apple)—To display the version of iOS installed on your phone, from the Home screen, tap Settings>General>About.
Android (Samsung, LG, HTC, etc.)—To display the version of Android installed on your phone, from the Home screen, tap Settings>System>About Device>[Software info >]Android version (on some versions, the Android version is found under Software info).