Have you tried pushing it few ways. Llike on the edge or little harder? Maybe it was soldered not accurately. If does not work then you will need to have Seeeed fix it or take it apart and check solder points and resistance of that button.
Have you tried pushing it few ways. Llike on the edge or little harder? Maybe it was soldered not accurately. If does not work then you will need to have Seeeed fix it or take it apart and check solder points and resistance of that button.