I just recently got the duo 2 and i'm quite enjoying it although I have this one gripe. I've missed 2 packages to my apartment now because I didn't realize that while the device is closed and set on vibrate, there is only 1 vibration and the phone doesn't ring at all.

I've read that having the device open will allow it to vibrate like normal but I can't always have it open, I also don't want to have the sound on because then it makes sounds while i'm using the device which is not what I want either.

Specifically i'm looking for a way to have the device ring on vibrate mode while closed, basically how other phones work. Does anyone know a solution for this?