Why should I upgrade the firmware of my IQOS 3 DUO?
The IQOS 3 DUO firmware upgrade improve and lifespan of your IQOS battery.
Make sure you upgrade your IQOS 3 DUO device’s firmware to ensure the technology is up to date and you can get the best experience.
To get the best performance from IQOS, it is recommended to update your IQOS 3 DUO to the latest available software version. We suggest that you always keep your IQOS up to date.
