Tag Archives: IQOS 3.0 DUO

IQOS 3.0 DUO troubleshooting – what the lights on the device mean

1. Holder light There are 2 battery status lights on the holder. When the holder is working properly, these battery status lights will be white and show you how many uses you have left before you need to recharge. If both lights are on, then you can use the holder 2 times. If only one […]