diff --git a/src/bowser.js b/src/bowser.js
index dbd9de1..cf5022a 100644
--- a/src/bowser.js
+++ b/src/bowser.js
@@ -148,8 +148,10 @@
       if (android) {
         o.android = t
         o.mobile = t
+      } else if (!android && firefox && /\((mobile|tablet);.*rv:[\d\.]+\)/i.test(ua)) {
+        o.firefoxos = t
+        o.mobile = t
       }
-
     }
     else if (android) o = {
         name: 'Android'
diff --git a/src/useragents.js b/src/useragents.js
index fbe0cf6..dc908cf 100644
--- a/src/useragents.js
+++ b/src/useragents.js
@@ -320,7 +320,34 @@ module.exports.useragents = {
       }
     }
   , Firefox: {
-      'Mozilla/5.0 (Android; Mobile; rv:27.0) Gecko/27.0 Firefox/27.0': {
+      'Mozilla/5.0 (Mobile; rv:26.0) Gecko/26.0 Firefox/26.0': {
+        mozilla: true
+      , gecko: true
+      , firefox: true
+      , version: '26.0'
+      , mobile: true
+      , firefoxos: true
+      , a: true
+      }
+    , 'Mozilla/5.0 (Tablet; rv:26.0) Gecko/26.0 Firefox/26.0': {
+        mozilla: true
+      , gecko: true
+      , firefox: true
+      , version: '26.0'
+      , mobile: true
+      , firefoxos: true
+      , a: true
+      }
+    , 'Mozilla/5.0 (Mobile; LG-D300; rv:18.1) Gecko/18.1 Firefox/18.1': {
+        mozilla: true
+      , gecko: true
+      , firefox: true
+      , version: '18.1'
+      , mobile: true
+      , firefoxos: true
+      , a: true
+      }
+    , 'Mozilla/5.0 (Android; Mobile; rv:27.0) Gecko/27.0 Firefox/27.0': {
         mozilla: true
       , gecko: true
       , firefox: true