How to reset IQOS?

Resetting your device is very simple: IQOS 3 DUO: press and hold the Charger button for 10 seconds, then release. IQOS 3 MULTI: press and hold the button for 10 seconds, then release. IQOS 2.4 Plus: press and hold the on/off button together with Bluetooth button for 2 seconds, then release.