diff --git a/gaiatest/tests/manifest.ini b/gaiatest/tests/manifest.ini
index 49472d44..4f0c64bf 100644
--- a/gaiatest/tests/manifest.ini
+++ b/gaiatest/tests/manifest.ini
@@ -34,7 +34,6 @@ xfail = false
 
 [test_browser_cell_data.py]
 carrier = true
-disabled = No SIM/data plan on CI
 [test_browser_lan.py]
 lan = true
 [test_calculator.py]
diff --git a/gaiatest/tests/test_browser_cell_data.py b/gaiatest/tests/test_browser_cell_data.py
index 7a572062..3b0647ee 100644
--- a/gaiatest/tests/test_browser_cell_data.py
+++ b/gaiatest/tests/test_browser_cell_data.py
@@ -22,6 +22,8 @@ def setUp(self):
         # launch the app
         self.app = self.apps.launch('Browser')
 
+        self.wait_for_condition(lambda m: m.execute_script("return window.wrappedJSObject.Browser.hasLoaded;") == True)
+
     def test_browser_cell_data(self):
         # https://moztrap.mozilla.org/manage/case/1328/
 
diff --git a/gaiatest/tests/test_browser_lan.py b/gaiatest/tests/test_browser_lan.py
index 0e768a51..1bf27860 100644
--- a/gaiatest/tests/test_browser_lan.py
+++ b/gaiatest/tests/test_browser_lan.py
@@ -24,6 +24,8 @@ def setUp(self):
         # launch the app
         self.app = self.apps.launch('Browser')
 
+        self.wait_for_condition(lambda m: m.execute_script("return window.wrappedJSObject.Browser.hasLoaded;") == True)
+
     def test_browser_lan(self):
         # https://moztrap.mozilla.org/manage/case/1327/