To charge your DUO, please make sure that the light on the charging pad is on. A white light indicates that the charging pad is on.
Once the charging pad light is on, place the DUO on the charging pad so that the power button is facing up. The white light on the charging pad changes to an orange light once the DUO is placed on it.
You should also see a ring of lights illuminate on the DUO once it is placed on the charger to indicate that it's charging. If you don't see this, please leave the DUO on the charger overnight.
If you don't see any lights on the charging pad, check the following:
Make sure that the micro USB cable is securely plugged into the charging pad.
If no light appears, try a different cable and wall plug.
If you're still experiencing issues with charging, please submit a ticket here.