Latest Firefox Mobile 20 user agents:

User Agent Platform Device
Mozilla/5.0 (Android; Tablet; rv:20.0) Gecko/20.0 Firefox/20.0 Android Unknown
Mozilla/5.0 (Android 9; Mobile; rv:20.0) Gecko/20.0 Firefox/20.0 Android 9 Unknown
Mozilla/5.0 (Android 8.1.0; Mobile; rv:20.0) Gecko/20.0 Firefox/20.0 Android 8 Unknown
Mozilla/5.0 (Android 8.0.0; Mobile; rv:20.0) Gecko/20.0 Firefox/20.0 Android 8 Unknown
Mozilla/5.0 (Android 6.0.1; Mobile; rv:20.0) Gecko/20.0 Firefox/20.0 Android 6 Unknown
Mozilla/5.0 (Android 4.2.1; Mobile; rv:20.0) Gecko/20.0 Firefox/20.0 Android 4 Unknown
Mozilla/5.0 (Android 3.2.5; Mobile; rv:20.0) Gecko/20.0 Firefox/20.0 Android 3 Unknown
Mozilla/5.0 (Android 2.2.3; Mobile; rv:20.0) Gecko/20.0 Firefox/20.0 Android 2 Unknown
Mozilla/5.0 (Android 1.6; Mobile; rv:20.0) Gecko/20.0 Firefox/20.0 Android 1 Unknown
Mozilla/5.0 (Android 1.1; Mobile; rv:20.0) Gecko/20.0 Firefox/20.0 Android 1 Unknown
Mozilla/5.0 (Android; Mobile; rv:20.0) Gecko/20.0 Firefox/20.0 Android Unknown