| User agent | Platforms | Hardware |
|---|---|---|
| Mozilla/5.0 (Android; Tablet; rv:28.0) Gecko/28.0 Firefox/28.0 | Android | tablet |
| Mozilla/5.0 (Android; Mobile; rv:28.0) Gecko/28.0 Firefox/28.0 | Android | smartphone |
| Mozilla/5.0 (Android 5.1.1; Mobile; rv:28.0) Gecko/28.0 Firefox/28.0 | Android 5 | smartphone |
| Mozilla/5.0 (Android 3.1; Mobile; rv:28.0) Gecko/28.0 Firefox/28.0 | Android 3 | smartphone |
| Mozilla/5.0 (Mobile; rv:28.1) Gecko/28.1 Firefox/28.1 | Firefox OS | |
| Mozilla/5.0 (Mobile; OpenC; rv:28.0) Gecko/28.0 Firefox/28.0 | Firefox OS |