The serial number of each device is unique and necessary to register it in your account. It is located on the box but also on the device itself.
IQOS ILUMA PRIME: Remove the magnetic cover of the pocket charger and find the number next to the QR code.
IQOS ILUMA: Remove the pocket charger door cover. You will see the number next to the QR code at the bottom.
IQOS ILUMA ONE: The serial number is located on the back bottom of the device next to the CE mark.
IQOS 3 DUO: Under the charger door cover and also under the holder’s cap. By removing these two components you will see the unique number.
lil SOLID: Remove the cap on the top of the device. The serial number is located above the heating chamber.
IQOS VEEV: The unique device number is located on the back, bottom of the device.