That's because they typically don't check mail, at least not in the background. That's fine. Turn off the mail check feature of the smart phone. Now will it

That's because they typically don't check mail, at least not in the background. That's fine. Turn off the mail check feature of the smart phone. Now will it last as long as the dumb one? Not quite. I would know, since I do have that feature turned off. As well as location tracking.