Steps to Update Firmware Using the IQOS Application. How Can I Upgrade the Firmware on My IQOS Device?
Your IQOS, IQOS 3 DUOS, or IQOS 3 Multi's firmware can be updated using the IQOS web app.
To optimize the performance of your IQOS, please upgrade the firmware periodically. You may improve the stability of your IQOS device by upgrading to the most recent firmware, which can also optimize battery life and fix bugs.