This comprehensive guide will walk you through everything you need to know about your IQOS serial number—what it is, where to find it, how to check it online, how it relates to your warranty, and how to use it to identify counterfeit products.

Open the door covers or side door. The code is laser-etched vertically along the inner rim of the charging slot.

Look at the very bottom base of the device or turn the device around to view the laser-etched text near the charging port. IQOS 3 DUO & IQOS 3

If you own an IQOS device—whether it’s the new ILUMA i, the ILUMA Prime, or a reliable 3 DUO—knowing how to locate and verify your device's serial number is essential. The serial number is a 14-character code unique to your device, acting as its digital fingerprint for registration, warranty support, and authenticity checks.

| Method | Details | |--------|---------| | | ☐ IQOS official website / ☐ IQOS App / ☐ Retail portal / ☐ Customer support | | Database response code | [e.g. 00 – Valid] | | Operator name | [if manual check] |