AGPS provided by the mobile carriers is sufficient. It is downloading the ephemeris that is slow, not getting the fix. That isn't considered Location Services.

AGPS provided by the mobile carriers is sufficient. It is downloading the ephemeris that is slow, not getting the fix. That isn't considered Location Services. You could test this by disabling WiFi, downloading AGPS from mobile, and then driving to place without service or putting in airplane mode. GPS fix will be fast cause ephemeris is good for days and corrections are small.