When offline (no data, no wifi available), I get no (error) response to the promise in userland JavaScript. adb logcat gives me: I/Gecko ( 291): 1403162013651 MobileId ERROR getMobileIdAssertion rejected with OFFLINE I/Gecko ( 291): 1403162013651 MobileId ERROR UI error OFFLINE

Works for me. Gecko I 1402650573170 MobileId ERROR getMobileIdAssertion rejected with OFFLINE Gecko I 1402650573177 MobileId ERROR UI error OFFLINE Gecko I 1402650573179 MobileId DEBUG Received message MobileId:GetAssertion:Return:KO: {"promiseId":"id{8960eb3d-7092-4660-b6e0-4f48e6e39f1b}","error":"OFFLINE"} GeckoConsole E Content JS ERROR at app://mobileidtest.gaiamobile.org/js/app.js:53 in App.onError: ERROR OFFLINE Can you check again and reopen if you can still reproduce it, please? Thanks!