diff --git a/xwords4/android/XWords4/res/values/common_rsrc.xml b/xwords4/android/XWords4/res/values/common_rsrc.xml
index 72aa19275..58b4c5fff 100644
--- a/xwords4/android/XWords4/res/values/common_rsrc.xml
+++ b/xwords4/android/XWords4/res/values/common_rsrc.xml
@@ -102,6 +102,7 @@
   <string name="key_notagain_newfrom">key_notagain_newfrom</string>
   <string name="key_notagain_trading">key_notagain_trading</string>
   <string name="key_na_lookup">key_na_lookup</string>
+  <string name="key_na_firefox">key_na_firefox</string>
   <string name="key_na_browse">key_na_browse</string>
   <string name="key_na_browseall">key_na_browseall</string>
   <string name="key_na_values">key_na_values</string>
diff --git a/xwords4/android/XWords4/res/values/strings.xml b/xwords4/android/XWords4/res/values/strings.xml
index 7bfa92eb2..d1afc4931 100644
--- a/xwords4/android/XWords4/res/values/strings.xml
+++ b/xwords4/android/XWords4/res/values/strings.xml
@@ -2192,4 +2192,9 @@
     play – if he/she is also using NFC.</string>
 
     <string name="pct_suffix">\u0020pct.</string>
+
+    <string name="not_again_firefox">If Android gives you a choice of
+    browsers for viewing the wordlists downloads page, DO NOT choose
+    Firefox. Some versions have a bug that can cause the wordlists to
+    be lost.</string>
 </resources>
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/DictsActivity.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/DictsActivity.java
index 6fa149cea..e7ab1dfab 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/DictsActivity.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/DictsActivity.java
@@ -79,6 +79,7 @@ public class DictsActivity extends XWExpandableListActivity
 
     // For new callback alternative
     private static final int DELETE_DICT_ACTION = 1;
+    private static final int DOWNLOAD_DICT_ACTION = 2;
 
     private static final int MOVE_DICT = DlgDelegate.DIALOG_LAST + 1;
     private static final int SET_DEFAULT = DlgDelegate.DIALOG_LAST + 2;
@@ -643,6 +644,9 @@ public class DictsActivity extends XWExpandableListActivity
                 clearSelections();
             }
             break;
+        case DOWNLOAD_DICT_ACTION:
+            startDownload( (Intent)params[0] );
+            break;
         default:
             Assert.fail();
         }
@@ -665,7 +669,9 @@ public class DictsActivity extends XWExpandableListActivity
     private void startDownload( int lang, String name )
     {
         Intent intent = mkDownloadIntent( this, lang, name );
-        startDownload( intent );
+        showNotAgainDlgThen( R.string.not_again_firefox, 
+                             R.string.key_na_firefox, 
+                             DOWNLOAD_DICT_ACTION, intent );
     }
 
     private void startDownload( Intent downloadIntent )